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Finding the Fourth Proportional to 8,368.64, 12,553.05 and 2,525.30

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Solution

The fourth proportional to 8,368.64, 12,553.05 and 2,525.30 is: 3,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.64 : 12,553.05 = 2,525.30 : x
  2. Step 2: Convert to fraction form
    8,368.64/12,553.05 = 2,525.30/x
  3. Step 3: Cross multiply
    8,368.64x = 12,553.05 × 2,525.30
  4. Step 4: Simplify right side
    8,368.64x = 31,700,141.77
  5. Step 5: Solve for x
    x = 31,700,141.77/8,368.64
  6. Step 6: Final answer
    x = 3,787.97

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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.