Home / 7,487.92-10,333.43-4,130.87

Finding the Fourth Proportional to 7,487.92, 10,333.43 and 4,130.87

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Solution

The fourth proportional to 7,487.92, 10,333.43 and 4,130.87 is: 5,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.92 : 10,333.43 = 4,130.87 : x
  2. Step 2: Convert to fraction form
    7,487.92/10,333.43 = 4,130.87/x
  3. Step 3: Cross multiply
    7,487.92x = 10,333.43 × 4,130.87
  4. Step 4: Simplify right side
    7,487.92x = 42,686,092.14
  5. Step 5: Solve for x
    x = 42,686,092.14/7,487.92
  6. Step 6: Final answer
    x = 5,700.66

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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.