Home / 5,158.55-7,735.49-1,459.90

Finding the Fourth Proportional to 5,158.55, 7,735.49 and 1,459.90

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Solution

The fourth proportional to 5,158.55, 7,735.49 and 1,459.90 is: 2,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.55 : 7,735.49 = 1,459.90 : x
  2. Step 2: Convert to fraction form
    5,158.55/7,735.49 = 1,459.90/x
  3. Step 3: Cross multiply
    5,158.55x = 7,735.49 × 1,459.90
  4. Step 4: Simplify right side
    5,158.55x = 11,293,026.16
  5. Step 5: Solve for x
    x = 11,293,026.16/5,158.55
  6. Step 6: Final answer
    x = 2,189.19

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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.