Home / 8,341.38-11,513.15-4,986.18

Finding the Fourth Proportional to 8,341.38, 11,513.15 and 4,986.18

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Solution

The fourth proportional to 8,341.38, 11,513.15 and 4,986.18 is: 6,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.38 : 11,513.15 = 4,986.18 : x
  2. Step 2: Convert to fraction form
    8,341.38/11,513.15 = 4,986.18/x
  3. Step 3: Cross multiply
    8,341.38x = 11,513.15 × 4,986.18
  4. Step 4: Simplify right side
    8,341.38x = 57,406,650.73
  5. Step 5: Solve for x
    x = 57,406,650.73/8,341.38
  6. Step 6: Final answer
    x = 6,882.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.