Home / 9,182.60-12,672.08-4,990.85

Finding the Fourth Proportional to 9,182.60, 12,672.08 and 4,990.85

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Solution

The fourth proportional to 9,182.60, 12,672.08 and 4,990.85 is: 6,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.60 : 12,672.08 = 4,990.85 : x
  2. Step 2: Convert to fraction form
    9,182.60/12,672.08 = 4,990.85/x
  3. Step 3: Cross multiply
    9,182.60x = 12,672.08 × 4,990.85
  4. Step 4: Simplify right side
    9,182.60x = 63,244,450.47
  5. Step 5: Solve for x
    x = 63,244,450.47/9,182.60
  6. Step 6: Final answer
    x = 6,887.42

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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.