Home / 9,182.60-12,671.87-5,405.92

Finding the Fourth Proportional to 9,182.60, 12,671.87 and 5,405.92

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Solution

The fourth proportional to 9,182.60, 12,671.87 and 5,405.92 is: 7,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.60 : 12,671.87 = 5,405.92 : x
  2. Step 2: Convert to fraction form
    9,182.60/12,671.87 = 5,405.92/x
  3. Step 3: Cross multiply
    9,182.60x = 12,671.87 × 5,405.92
  4. Step 4: Simplify right side
    9,182.60x = 68,503,143.24
  5. Step 5: Solve for x
    x = 68,503,143.24/9,182.60
  6. Step 6: Final answer
    x = 7,460.10

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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.