Home / 8,358.45-12,537.10-3,426.76

Finding the Fourth Proportional to 8,358.45, 12,537.10 and 3,426.76

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Solution

The fourth proportional to 8,358.45, 12,537.10 and 3,426.76 is: 5,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.45 : 12,537.10 = 3,426.76 : x
  2. Step 2: Convert to fraction form
    8,358.45/12,537.10 = 3,426.76/x
  3. Step 3: Cross multiply
    8,358.45x = 12,537.10 × 3,426.76
  4. Step 4: Simplify right side
    8,358.45x = 42,961,632.80
  5. Step 5: Solve for x
    x = 42,961,632.80/8,358.45
  6. Step 6: Final answer
    x = 5,139.90

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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.