Home / 5,345.92-8,017.98-1,449.28

Finding the Fourth Proportional to 5,345.92, 8,017.98 and 1,449.28

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Solution

The fourth proportional to 5,345.92, 8,017.98 and 1,449.28 is: 2,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.92 : 8,017.98 = 1,449.28 : x
  2. Step 2: Convert to fraction form
    5,345.92/8,017.98 = 1,449.28/x
  3. Step 3: Cross multiply
    5,345.92x = 8,017.98 × 1,449.28
  4. Step 4: Simplify right side
    5,345.92x = 11,620,298.05
  5. Step 5: Solve for x
    x = 11,620,298.05/5,345.92
  6. Step 6: Final answer
    x = 2,173.68

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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.