Home / 8,432.34-12,645.85-2,507.77

Finding the Fourth Proportional to 8,432.34, 12,645.85 and 2,507.77

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Solution

The fourth proportional to 8,432.34, 12,645.85 and 2,507.77 is: 3,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.34 : 12,645.85 = 2,507.77 : x
  2. Step 2: Convert to fraction form
    8,432.34/12,645.85 = 2,507.77/x
  3. Step 3: Cross multiply
    8,432.34x = 12,645.85 × 2,507.77
  4. Step 4: Simplify right side
    8,432.34x = 31,712,883.25
  5. Step 5: Solve for x
    x = 31,712,883.25/8,432.34
  6. Step 6: Final answer
    x = 3,760.86

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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.