Home / 9,387.88-14,079.60-3,148.12

Finding the Fourth Proportional to 9,387.88, 14,079.60 and 3,148.12

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Solution

The fourth proportional to 9,387.88, 14,079.60 and 3,148.12 is: 4,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.88 : 14,079.60 = 3,148.12 : x
  2. Step 2: Convert to fraction form
    9,387.88/14,079.60 = 3,148.12/x
  3. Step 3: Cross multiply
    9,387.88x = 14,079.60 × 3,148.12
  4. Step 4: Simplify right side
    9,387.88x = 44,324,270.35
  5. Step 5: Solve for x
    x = 44,324,270.35/9,387.88
  6. Step 6: Final answer
    x = 4,721.44

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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.