Home / 8,752.34-12,080.19-5,565.02

Finding the Fourth Proportional to 8,752.34, 12,080.19 and 5,565.02

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Solution

The fourth proportional to 8,752.34, 12,080.19 and 5,565.02 is: 7,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.34 : 12,080.19 = 5,565.02 : x
  2. Step 2: Convert to fraction form
    8,752.34/12,080.19 = 5,565.02/x
  3. Step 3: Cross multiply
    8,752.34x = 12,080.19 × 5,565.02
  4. Step 4: Simplify right side
    8,752.34x = 67,226,498.95
  5. Step 5: Solve for x
    x = 67,226,498.95/8,752.34
  6. Step 6: Final answer
    x = 7,680.97

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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.