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Finding the Fourth Proportional to 8,572.77, 12,848.88 and 4,414.74

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Solution

The fourth proportional to 8,572.77, 12,848.88 and 4,414.74 is: 6,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.77 : 12,848.88 = 4,414.74 : x
  2. Step 2: Convert to fraction form
    8,572.77/12,848.88 = 4,414.74/x
  3. Step 3: Cross multiply
    8,572.77x = 12,848.88 × 4,414.74
  4. Step 4: Simplify right side
    8,572.77x = 56,724,464.49
  5. Step 5: Solve for x
    x = 56,724,464.49/8,572.77
  6. Step 6: Final answer
    x = 6,616.82

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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.