Home / 7,641.51-10,545.48-4,284.23

Finding the Fourth Proportional to 7,641.51, 10,545.48 and 4,284.23

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Solution

The fourth proportional to 7,641.51, 10,545.48 and 4,284.23 is: 5,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.51 : 10,545.48 = 4,284.23 : x
  2. Step 2: Convert to fraction form
    7,641.51/10,545.48 = 4,284.23/x
  3. Step 3: Cross multiply
    7,641.51x = 10,545.48 × 4,284.23
  4. Step 4: Simplify right side
    7,641.51x = 45,179,209.05
  5. Step 5: Solve for x
    x = 45,179,209.05/7,641.51
  6. Step 6: Final answer
    x = 5,912.34

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Half scale
Find fourth proportional to 15,283.01, 21,090.96 and 8,568.45
Double scale
Find fourth proportional to 7,642.51, 10,546.86 and 4,285.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.