Home / 7,062.48-10,553.12-5,387.40

Finding the Fourth Proportional to 7,062.48, 10,553.12 and 5,387.40

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Solution

The fourth proportional to 7,062.48, 10,553.12 and 5,387.40 is: 8,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.48 : 10,553.12 = 5,387.40 : x
  2. Step 2: Convert to fraction form
    7,062.48/10,553.12 = 5,387.40/x
  3. Step 3: Cross multiply
    7,062.48x = 10,553.12 × 5,387.40
  4. Step 4: Simplify right side
    7,062.48x = 56,853,878.69
  5. Step 5: Solve for x
    x = 56,853,878.69/7,062.48
  6. Step 6: Final answer
    x = 8,050.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.