Home / 5,475.31-8,207.08-2,840.17

Finding the Fourth Proportional to 5,475.31, 8,207.08 and 2,840.17

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Solution

The fourth proportional to 5,475.31, 8,207.08 and 2,840.17 is: 4,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.31 : 8,207.08 = 2,840.17 : x
  2. Step 2: Convert to fraction form
    5,475.31/8,207.08 = 2,840.17/x
  3. Step 3: Cross multiply
    5,475.31x = 8,207.08 × 2,840.17
  4. Step 4: Simplify right side
    5,475.31x = 23,309,502.40
  5. Step 5: Solve for x
    x = 23,309,502.40/5,475.31
  6. Step 6: Final answer
    x = 4,257.20

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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.