Home / 8,575.77-12,859.56-4,188.11

Finding the Fourth Proportional to 8,575.77, 12,859.56 and 4,188.11

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Solution

The fourth proportional to 8,575.77, 12,859.56 and 4,188.11 is: 6,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.77 : 12,859.56 = 4,188.11 : x
  2. Step 2: Convert to fraction form
    8,575.77/12,859.56 = 4,188.11/x
  3. Step 3: Cross multiply
    8,575.77x = 12,859.56 × 4,188.11
  4. Step 4: Simplify right side
    8,575.77x = 53,857,187.53
  5. Step 5: Solve for x
    x = 53,857,187.53/8,575.77
  6. Step 6: Final answer
    x = 6,280.15

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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.