Home / 8,306.48-12,462.78-3,376.64

Finding the Fourth Proportional to 8,306.48, 12,462.78 and 3,376.64

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Solution

The fourth proportional to 8,306.48, 12,462.78 and 3,376.64 is: 5,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.48 : 12,462.78 = 3,376.64 : x
  2. Step 2: Convert to fraction form
    8,306.48/12,462.78 = 3,376.64/x
  3. Step 3: Cross multiply
    8,306.48x = 12,462.78 × 3,376.64
  4. Step 4: Simplify right side
    8,306.48x = 42,082,321.46
  5. Step 5: Solve for x
    x = 42,082,321.46/8,306.48
  6. Step 6: Final answer
    x = 5,066.20

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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.