Home / 5,113.44-7,657.20-3,159.72

Finding the Fourth Proportional to 5,113.44, 7,657.20 and 3,159.72

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Solution

The fourth proportional to 5,113.44, 7,657.20 and 3,159.72 is: 4,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.44 : 7,657.20 = 3,159.72 : x
  2. Step 2: Convert to fraction form
    5,113.44/7,657.20 = 3,159.72/x
  3. Step 3: Cross multiply
    5,113.44x = 7,657.20 × 3,159.72
  4. Step 4: Simplify right side
    5,113.44x = 24,194,607.98
  5. Step 5: Solve for x
    x = 24,194,607.98/5,113.44
  6. Step 6: Final answer
    x = 4,731.57

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1.5x scale

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.