Home / 8,718.14-13,071.72-2,873.18

Finding the Fourth Proportional to 8,718.14, 13,071.72 and 2,873.18

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Solution

The fourth proportional to 8,718.14, 13,071.72 and 2,873.18 is: 4,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.14 : 13,071.72 = 2,873.18 : x
  2. Step 2: Convert to fraction form
    8,718.14/13,071.72 = 2,873.18/x
  3. Step 3: Cross multiply
    8,718.14x = 13,071.72 × 2,873.18
  4. Step 4: Simplify right side
    8,718.14x = 37,557,404.47
  5. Step 5: Solve for x
    x = 37,557,404.47/8,718.14
  6. Step 6: Final answer
    x = 4,307.96

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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.