Home / 7,516.80-10,372.46-4,159.55

Finding the Fourth Proportional to 7,516.80, 10,372.46 and 4,159.55

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Solution

The fourth proportional to 7,516.80, 10,372.46 and 4,159.55 is: 5,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.80 : 10,372.46 = 4,159.55 : x
  2. Step 2: Convert to fraction form
    7,516.80/10,372.46 = 4,159.55/x
  3. Step 3: Cross multiply
    7,516.80x = 10,372.46 × 4,159.55
  4. Step 4: Simplify right side
    7,516.80x = 43,144,771.13
  5. Step 5: Solve for x
    x = 43,144,771.13/7,516.80
  6. Step 6: Final answer
    x = 5,739.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.