Home / 8,718.17-13,080.56-4,040.42

Finding the Fourth Proportional to 8,718.17, 13,080.56 and 4,040.42

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Solution

The fourth proportional to 8,718.17, 13,080.56 and 4,040.42 is: 6,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.17 : 13,080.56 = 4,040.42 : x
  2. Step 2: Convert to fraction form
    8,718.17/13,080.56 = 4,040.42/x
  3. Step 3: Cross multiply
    8,718.17x = 13,080.56 × 4,040.42
  4. Step 4: Simplify right side
    8,718.17x = 52,850,870.63
  5. Step 5: Solve for x
    x = 52,850,870.63/8,718.17
  6. Step 6: Final answer
    x = 6,062.16

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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.