Home / 7,516.30-10,372.41-4,159.22

Finding the Fourth Proportional to 7,516.30, 10,372.41 and 4,159.22

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Solution

The fourth proportional to 7,516.30, 10,372.41 and 4,159.22 is: 5,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.30 : 10,372.41 = 4,159.22 : x
  2. Step 2: Convert to fraction form
    7,516.30/10,372.41 = 4,159.22/x
  3. Step 3: Cross multiply
    7,516.30x = 10,372.41 × 4,159.22
  4. Step 4: Simplify right side
    7,516.30x = 43,141,135.12
  5. Step 5: Solve for x
    x = 43,141,135.12/7,516.30
  6. Step 6: Final answer
    x = 5,739.68

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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.