Home / 7,988.47-11,024.17-4,403.57

Finding the Fourth Proportional to 7,988.47, 11,024.17 and 4,403.57

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Solution

The fourth proportional to 7,988.47, 11,024.17 and 4,403.57 is: 6,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.47 : 11,024.17 = 4,403.57 : x
  2. Step 2: Convert to fraction form
    7,988.47/11,024.17 = 4,403.57/x
  3. Step 3: Cross multiply
    7,988.47x = 11,024.17 × 4,403.57
  4. Step 4: Simplify right side
    7,988.47x = 48,545,706.35
  5. Step 5: Solve for x
    x = 48,545,706.35/7,988.47
  6. Step 6: Final answer
    x = 6,076.97

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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.