Home / 6,158.40-9,240.60-2,869.80

Finding the Fourth Proportional to 6,158.40, 9,240.60 and 2,869.80

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Solution

The fourth proportional to 6,158.40, 9,240.60 and 2,869.80 is: 4,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158.40 : 9,240.60 = 2,869.80 : x
  2. Step 2: Convert to fraction form
    6,158.40/9,240.60 = 2,869.80/x
  3. Step 3: Cross multiply
    6,158.40x = 9,240.60 × 2,869.80
  4. Step 4: Simplify right side
    6,158.40x = 26,518,673.88
  5. Step 5: Solve for x
    x = 26,518,673.88/6,158.40
  6. Step 6: Final answer
    x = 4,306.10

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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.