Home / 4,321.01-6,480.90-1,547.30

Finding the Fourth Proportional to 4,321.01, 6,480.90 and 1,547.30

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Solution

The fourth proportional to 4,321.01, 6,480.90 and 1,547.30 is: 2,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.01 : 6,480.90 = 1,547.30 : x
  2. Step 2: Convert to fraction form
    4,321.01/6,480.90 = 1,547.30/x
  3. Step 3: Cross multiply
    4,321.01x = 6,480.90 × 1,547.30
  4. Step 4: Simplify right side
    4,321.01x = 10,027,864.17
  5. Step 5: Solve for x
    x = 10,027,864.17/4,321.01
  6. Step 6: Final answer
    x = 2,320.72

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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.