Home / 5,412.17-8,118.65-1,714.66

Finding the Fourth Proportional to 5,412.17, 8,118.65 and 1,714.66

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Solution

The fourth proportional to 5,412.17, 8,118.65 and 1,714.66 is: 2,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.17 : 8,118.65 = 1,714.66 : x
  2. Step 2: Convert to fraction form
    5,412.17/8,118.65 = 1,714.66/x
  3. Step 3: Cross multiply
    5,412.17x = 8,118.65 × 1,714.66
  4. Step 4: Simplify right side
    5,412.17x = 13,920,708.40
  5. Step 5: Solve for x
    x = 13,920,708.40/5,412.17
  6. Step 6: Final answer
    x = 2,572.11

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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.