Home / 4,317.78-6,475.96-1,543.98

Finding the Fourth Proportional to 4,317.78, 6,475.96 and 1,543.98

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Solution

The fourth proportional to 4,317.78, 6,475.96 and 1,543.98 is: 2,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.78 : 6,475.96 = 1,543.98 : x
  2. Step 2: Convert to fraction form
    4,317.78/6,475.96 = 1,543.98/x
  3. Step 3: Cross multiply
    4,317.78x = 6,475.96 × 1,543.98
  4. Step 4: Simplify right side
    4,317.78x = 9,998,752.72
  5. Step 5: Solve for x
    x = 9,998,752.72/4,317.78
  6. Step 6: Final answer
    x = 2,315.72

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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.