Home / 5,275.96-7,280.33-2,918.05

Finding the Fourth Proportional to 5,275.96, 7,280.33 and 2,918.05

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Solution

The fourth proportional to 5,275.96, 7,280.33 and 2,918.05 is: 4,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.96 : 7,280.33 = 2,918.05 : x
  2. Step 2: Convert to fraction form
    5,275.96/7,280.33 = 2,918.05/x
  3. Step 3: Cross multiply
    5,275.96x = 7,280.33 × 2,918.05
  4. Step 4: Simplify right side
    5,275.96x = 21,244,368.80
  5. Step 5: Solve for x
    x = 21,244,368.80/5,275.96
  6. Step 6: Final answer
    x = 4,026.64

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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.