Home / 8,372.21-12,557.95-2,528.64

Finding the Fourth Proportional to 8,372.21, 12,557.95 and 2,528.64

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Solution

The fourth proportional to 8,372.21, 12,557.95 and 2,528.64 is: 3,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.21 : 12,557.95 = 2,528.64 : x
  2. Step 2: Convert to fraction form
    8,372.21/12,557.95 = 2,528.64/x
  3. Step 3: Cross multiply
    8,372.21x = 12,557.95 × 2,528.64
  4. Step 4: Simplify right side
    8,372.21x = 31,754,534.69
  5. Step 5: Solve for x
    x = 31,754,534.69/8,372.21
  6. Step 6: Final answer
    x = 3,792.85

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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.