Home / 5,245.17-7,867.73-1,547.43

Finding the Fourth Proportional to 5,245.17, 7,867.73 and 1,547.43

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Solution

The fourth proportional to 5,245.17, 7,867.73 and 1,547.43 is: 2,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.17 : 7,867.73 = 1,547.43 : x
  2. Step 2: Convert to fraction form
    5,245.17/7,867.73 = 1,547.43/x
  3. Step 3: Cross multiply
    5,245.17x = 7,867.73 × 1,547.43
  4. Step 4: Simplify right side
    5,245.17x = 12,174,735.80
  5. Step 5: Solve for x
    x = 12,174,735.80/5,245.17
  6. Step 6: Final answer
    x = 2,321.13

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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.