Home / 4,507.29-6,761.70-1,387.22

Finding the Fourth Proportional to 4,507.29, 6,761.70 and 1,387.22

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Solution

The fourth proportional to 4,507.29, 6,761.70 and 1,387.22 is: 2,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.29 : 6,761.70 = 1,387.22 : x
  2. Step 2: Convert to fraction form
    4,507.29/6,761.70 = 1,387.22/x
  3. Step 3: Cross multiply
    4,507.29x = 6,761.70 × 1,387.22
  4. Step 4: Simplify right side
    4,507.29x = 9,379,931.67
  5. Step 5: Solve for x
    x = 9,379,931.67/4,507.29
  6. Step 6: Final answer
    x = 2,081.06

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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.