Home / 9,180.06-12,668.49-4,988.31

Finding the Fourth Proportional to 9,180.06, 12,668.49 and 4,988.31

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Solution

The fourth proportional to 9,180.06, 12,668.49 and 4,988.31 is: 6,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.06 : 12,668.49 = 4,988.31 : x
  2. Step 2: Convert to fraction form
    9,180.06/12,668.49 = 4,988.31/x
  3. Step 3: Cross multiply
    9,180.06x = 12,668.49 × 4,988.31
  4. Step 4: Simplify right side
    9,180.06x = 63,194,387.02
  5. Step 5: Solve for x
    x = 63,194,387.02/9,180.06
  6. Step 6: Final answer
    x = 6,883.87

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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.