Home / 9,259.92-13,890.96-3,715.20

Finding the Fourth Proportional to 9,259.92, 13,890.96 and 3,715.20

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Solution

The fourth proportional to 9,259.92, 13,890.96 and 3,715.20 is: 5,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.92 : 13,890.96 = 3,715.20 : x
  2. Step 2: Convert to fraction form
    9,259.92/13,890.96 = 3,715.20/x
  3. Step 3: Cross multiply
    9,259.92x = 13,890.96 × 3,715.20
  4. Step 4: Simplify right side
    9,259.92x = 51,607,694.59
  5. Step 5: Solve for x
    x = 51,607,694.59/9,259.92
  6. Step 6: Final answer
    x = 5,573.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.