Home / 8,708.08-12,010.80-5,522.35

Finding the Fourth Proportional to 8,708.08, 12,010.80 and 5,522.35

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Solution

The fourth proportional to 8,708.08, 12,010.80 and 5,522.35 is: 7,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.08 : 12,010.80 = 5,522.35 : x
  2. Step 2: Convert to fraction form
    8,708.08/12,010.80 = 5,522.35/x
  3. Step 3: Cross multiply
    8,708.08x = 12,010.80 × 5,522.35
  4. Step 4: Simplify right side
    8,708.08x = 66,327,841.38
  5. Step 5: Solve for x
    x = 66,327,841.38/8,708.08
  6. Step 6: Final answer
    x = 7,616.82

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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.