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Finding the Fourth Proportional to 8,526.32, 12,773.08 and 7,223.76

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Solution

The fourth proportional to 8,526.32, 12,773.08 and 7,223.76 is: 10,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.32 : 12,773.08 = 7,223.76 : x
  2. Step 2: Convert to fraction form
    8,526.32/12,773.08 = 7,223.76/x
  3. Step 3: Cross multiply
    8,526.32x = 12,773.08 × 7,223.76
  4. Step 4: Simplify right side
    8,526.32x = 92,269,664.38
  5. Step 5: Solve for x
    x = 92,269,664.38/8,526.32
  6. Step 6: Final answer
    x = 10,821.75

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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.