Home / 5,387.14-8,080.48-1,491.45

Finding the Fourth Proportional to 5,387.14, 8,080.48 and 1,491.45

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Solution

The fourth proportional to 5,387.14, 8,080.48 and 1,491.45 is: 2,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.14 : 8,080.48 = 1,491.45 : x
  2. Step 2: Convert to fraction form
    5,387.14/8,080.48 = 1,491.45/x
  3. Step 3: Cross multiply
    5,387.14x = 8,080.48 × 1,491.45
  4. Step 4: Simplify right side
    5,387.14x = 12,051,631.90
  5. Step 5: Solve for x
    x = 12,051,631.90/5,387.14
  6. Step 6: Final answer
    x = 2,237.11

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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.