Home / 4,087.80-6,132.15-1,491.30

Finding the Fourth Proportional to 4,087.80, 6,132.15 and 1,491.30

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Solution

The fourth proportional to 4,087.80, 6,132.15 and 1,491.30 is: 2,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.80 : 6,132.15 = 1,491.30 : x
  2. Step 2: Convert to fraction form
    4,087.80/6,132.15 = 1,491.30/x
  3. Step 3: Cross multiply
    4,087.80x = 6,132.15 × 1,491.30
  4. Step 4: Simplify right side
    4,087.80x = 9,144,875.30
  5. Step 5: Solve for x
    x = 9,144,875.30/4,087.80
  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.