Home / 5,487.13-8,230.98-3,146.51

Finding the Fourth Proportional to 5,487.13, 8,230.98 and 3,146.51

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Solution

The fourth proportional to 5,487.13, 8,230.98 and 3,146.51 is: 4,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.13 : 8,230.98 = 3,146.51 : x
  2. Step 2: Convert to fraction form
    5,487.13/8,230.98 = 3,146.51/x
  3. Step 3: Cross multiply
    5,487.13x = 8,230.98 × 3,146.51
  4. Step 4: Simplify right side
    5,487.13x = 25,898,845.15
  5. Step 5: Solve for x
    x = 25,898,845.15/5,487.13
  6. Step 6: Final answer
    x = 4,719.93

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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.