Home / 7,868.25-10,858.20-4,283.19

Finding the Fourth Proportional to 7,868.25, 10,858.20 and 4,283.19

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Solution

The fourth proportional to 7,868.25, 10,858.20 and 4,283.19 is: 5,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.25 : 10,858.20 = 4,283.19 : x
  2. Step 2: Convert to fraction form
    7,868.25/10,858.20 = 4,283.19/x
  3. Step 3: Cross multiply
    7,868.25x = 10,858.20 × 4,283.19
  4. Step 4: Simplify right side
    7,868.25x = 46,507,733.66
  5. Step 5: Solve for x
    x = 46,507,733.66/7,868.25
  6. Step 6: Final answer
    x = 5,910.81

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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.