Home / 8,616.18-11,890.17-4,839.35

Finding the Fourth Proportional to 8,616.18, 11,890.17 and 4,839.35

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Solution

The fourth proportional to 8,616.18, 11,890.17 and 4,839.35 is: 6,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.18 : 11,890.17 = 4,839.35 : x
  2. Step 2: Convert to fraction form
    8,616.18/11,890.17 = 4,839.35/x
  3. Step 3: Cross multiply
    8,616.18x = 11,890.17 × 4,839.35
  4. Step 4: Simplify right side
    8,616.18x = 57,540,634.74
  5. Step 5: Solve for x
    x = 57,540,634.74/8,616.18
  6. Step 6: Final answer
    x = 6,678.21

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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.