Home / 4,317.20-6,475.73-1,543.12

Finding the Fourth Proportional to 4,317.20, 6,475.73 and 1,543.12

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Solution

The fourth proportional to 4,317.20, 6,475.73 and 1,543.12 is: 2,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.20 : 6,475.73 = 1,543.12 : x
  2. Step 2: Convert to fraction form
    4,317.20/6,475.73 = 1,543.12/x
  3. Step 3: Cross multiply
    4,317.20x = 6,475.73 × 1,543.12
  4. Step 4: Simplify right side
    4,317.20x = 9,992,828.48
  5. Step 5: Solve for x
    x = 9,992,828.48/4,317.20
  6. Step 6: Final answer
    x = 2,314.65

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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.