Home / 8,347.38-12,518.64-2,502.42

Finding the Fourth Proportional to 8,347.38, 12,518.64 and 2,502.42

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Solution

The fourth proportional to 8,347.38, 12,518.64 and 2,502.42 is: 3,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.38 : 12,518.64 = 2,502.42 : x
  2. Step 2: Convert to fraction form
    8,347.38/12,518.64 = 2,502.42/x
  3. Step 3: Cross multiply
    8,347.38x = 12,518.64 × 2,502.42
  4. Step 4: Simplify right side
    8,347.38x = 31,326,895.11
  5. Step 5: Solve for x
    x = 31,326,895.11/8,347.38
  6. Step 6: Final answer
    x = 3,752.90

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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.