Home / 4,321.15-6,481.01-1,547.40

Finding the Fourth Proportional to 4,321.15, 6,481.01 and 1,547.40

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Solution

The fourth proportional to 4,321.15, 6,481.01 and 1,547.40 is: 2,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.15 : 6,481.01 = 1,547.40 : x
  2. Step 2: Convert to fraction form
    4,321.15/6,481.01 = 1,547.40/x
  3. Step 3: Cross multiply
    4,321.15x = 6,481.01 × 1,547.40
  4. Step 4: Simplify right side
    4,321.15x = 10,028,743.05
  5. Step 5: Solve for x
    x = 10,028,743.05/4,321.15
  6. Step 6: Final answer
    x = 2,320.85

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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.