Home / 6,387.15-9,562.95-3,260.40

Finding the Fourth Proportional to 6,387.15, 9,562.95 and 3,260.40

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Solution

The fourth proportional to 6,387.15, 9,562.95 and 3,260.40 is: 4,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.15 : 9,562.95 = 3,260.40 : x
  2. Step 2: Convert to fraction form
    6,387.15/9,562.95 = 3,260.40/x
  3. Step 3: Cross multiply
    6,387.15x = 9,562.95 × 3,260.40
  4. Step 4: Simplify right side
    6,387.15x = 31,179,042.18
  5. Step 5: Solve for x
    x = 31,179,042.18/6,387.15
  6. Step 6: Final answer
    x = 4,881.53

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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.