Home / 7,487.81-10,332.83-4,298.86

Finding the Fourth Proportional to 7,487.81, 10,332.83 and 4,298.86

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Solution

The fourth proportional to 7,487.81, 10,332.83 and 4,298.86 is: 5,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.81 : 10,332.83 = 4,298.86 : x
  2. Step 2: Convert to fraction form
    7,487.81/10,332.83 = 4,298.86/x
  3. Step 3: Cross multiply
    7,487.81x = 10,332.83 × 4,298.86
  4. Step 4: Simplify right side
    7,487.81x = 44,419,426.87
  5. Step 5: Solve for x
    x = 44,419,426.87/7,487.81
  6. Step 6: Final answer
    x = 5,932.23

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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.