Home / 6,209.20-9,305.88-2,915.02

Finding the Fourth Proportional to 6,209.20, 9,305.88 and 2,915.02

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Solution

The fourth proportional to 6,209.20, 9,305.88 and 2,915.02 is: 4,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.20 : 9,305.88 = 2,915.02 : x
  2. Step 2: Convert to fraction form
    6,209.20/9,305.88 = 2,915.02/x
  3. Step 3: Cross multiply
    6,209.20x = 9,305.88 × 2,915.02
  4. Step 4: Simplify right side
    6,209.20x = 27,126,826.32
  5. Step 5: Solve for x
    x = 27,126,826.32/6,209.20
  6. Step 6: Final answer
    x = 4,368.81

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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.