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Finding the Fourth Proportional to 8,773.50, 12,117.24 and 6,807.90

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Solution

The fourth proportional to 8,773.50, 12,117.24 and 6,807.90 is: 9,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.50 : 12,117.24 = 6,807.90 : x
  2. Step 2: Convert to fraction form
    8,773.50/12,117.24 = 6,807.90/x
  3. Step 3: Cross multiply
    8,773.50x = 12,117.24 × 6,807.90
  4. Step 4: Simplify right side
    8,773.50x = 82,492,958.20
  5. Step 5: Solve for x
    x = 82,492,958.20/8,773.50
  6. Step 6: Final answer
    x = 9,402.51

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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.