Home / 8,147.76-12,220.05-2,599.62

Finding the Fourth Proportional to 8,147.76, 12,220.05 and 2,599.62

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Solution

The fourth proportional to 8,147.76, 12,220.05 and 2,599.62 is: 3,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.76 : 12,220.05 = 2,599.62 : x
  2. Step 2: Convert to fraction form
    8,147.76/12,220.05 = 2,599.62/x
  3. Step 3: Cross multiply
    8,147.76x = 12,220.05 × 2,599.62
  4. Step 4: Simplify right side
    8,147.76x = 31,767,486.38
  5. Step 5: Solve for x
    x = 31,767,486.38/8,147.76
  6. Step 6: Final answer
    x = 3,898.92

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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.