Home / 9,182.26-12,671.52-4,990.50

Finding the Fourth Proportional to 9,182.26, 12,671.52 and 4,990.50

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Solution

The fourth proportional to 9,182.26, 12,671.52 and 4,990.50 is: 6,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.26 : 12,671.52 = 4,990.50 : x
  2. Step 2: Convert to fraction form
    9,182.26/12,671.52 = 4,990.50/x
  3. Step 3: Cross multiply
    9,182.26x = 12,671.52 × 4,990.50
  4. Step 4: Simplify right side
    9,182.26x = 63,237,220.56
  5. Step 5: Solve for x
    x = 63,237,220.56/9,182.26
  6. Step 6: Final answer
    x = 6,886.89

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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.