Home / 6,156.80-9,238.27-2,870.15

Finding the Fourth Proportional to 6,156.80, 9,238.27 and 2,870.15

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Solution

The fourth proportional to 6,156.80, 9,238.27 and 2,870.15 is: 4,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.80 : 9,238.27 = 2,870.15 : x
  2. Step 2: Convert to fraction form
    6,156.80/9,238.27 = 2,870.15/x
  3. Step 3: Cross multiply
    6,156.80x = 9,238.27 × 2,870.15
  4. Step 4: Simplify right side
    6,156.80x = 26,515,167.27
  5. Step 5: Solve for x
    x = 26,515,167.27/6,156.80
  6. Step 6: Final answer
    x = 4,306.65

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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.