Home / 8,354.48-12,534.18-3,160.76

Finding the Fourth Proportional to 8,354.48, 12,534.18 and 3,160.76

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Solution

The fourth proportional to 8,354.48, 12,534.18 and 3,160.76 is: 4,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.48 : 12,534.18 = 3,160.76 : x
  2. Step 2: Convert to fraction form
    8,354.48/12,534.18 = 3,160.76/x
  3. Step 3: Cross multiply
    8,354.48x = 12,534.18 × 3,160.76
  4. Step 4: Simplify right side
    8,354.48x = 39,617,534.78
  5. Step 5: Solve for x
    x = 39,617,534.78/8,354.48
  6. Step 6: Final answer
    x = 4,742.07

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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.