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Finding the Fourth Proportional to 8,565.28, 12,848.37 and 4,404.22

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Solution

The fourth proportional to 8,565.28, 12,848.37 and 4,404.22 is: 6,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.28 : 12,848.37 = 4,404.22 : x
  2. Step 2: Convert to fraction form
    8,565.28/12,848.37 = 4,404.22/x
  3. Step 3: Cross multiply
    8,565.28x = 12,848.37 × 4,404.22
  4. Step 4: Simplify right side
    8,565.28x = 56,587,048.12
  5. Step 5: Solve for x
    x = 56,587,048.12/8,565.28
  6. Step 6: Final answer
    x = 6,606.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.