Home / 9,839.10-13,582.88-6,257.66

Finding the Fourth Proportional to 9,839.10, 13,582.88 and 6,257.66

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Solution

The fourth proportional to 9,839.10, 13,582.88 and 6,257.66 is: 8,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.10 : 13,582.88 = 6,257.66 : x
  2. Step 2: Convert to fraction form
    9,839.10/13,582.88 = 6,257.66/x
  3. Step 3: Cross multiply
    9,839.10x = 13,582.88 × 6,257.66
  4. Step 4: Simplify right side
    9,839.10x = 84,997,044.86
  5. Step 5: Solve for x
    x = 84,997,044.86/9,839.10
  6. Step 6: Final answer
    x = 8,638.70

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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.