Home / 8,557.39-12,836.53-2,714.45

Finding the Fourth Proportional to 8,557.39, 12,836.53 and 2,714.45

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Solution

The fourth proportional to 8,557.39, 12,836.53 and 2,714.45 is: 4,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.39 : 12,836.53 = 2,714.45 : x
  2. Step 2: Convert to fraction form
    8,557.39/12,836.53 = 2,714.45/x
  3. Step 3: Cross multiply
    8,557.39x = 12,836.53 × 2,714.45
  4. Step 4: Simplify right side
    8,557.39x = 34,844,118.86
  5. Step 5: Solve for x
    x = 34,844,118.86/8,557.39
  6. Step 6: Final answer
    x = 4,071.82

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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.