Home / 7,988.76-11,024.24-5,006.21

Finding the Fourth Proportional to 7,988.76, 11,024.24 and 5,006.21

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Solution

The fourth proportional to 7,988.76, 11,024.24 and 5,006.21 is: 6,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.76 : 11,024.24 = 5,006.21 : x
  2. Step 2: Convert to fraction form
    7,988.76/11,024.24 = 5,006.21/x
  3. Step 3: Cross multiply
    7,988.76x = 11,024.24 × 5,006.21
  4. Step 4: Simplify right side
    7,988.76x = 55,189,580.38
  5. Step 5: Solve for x
    x = 55,189,580.38/7,988.76
  6. Step 6: Final answer
    x = 6,908.40

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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.