Home / 7,422.24-10,242.96-4,110.24

Finding the Fourth Proportional to 7,422.24, 10,242.96 and 4,110.24

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Solution

The fourth proportional to 7,422.24, 10,242.96 and 4,110.24 is: 5,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.24 : 10,242.96 = 4,110.24 : x
  2. Step 2: Convert to fraction form
    7,422.24/10,242.96 = 4,110.24/x
  3. Step 3: Cross multiply
    7,422.24x = 10,242.96 × 4,110.24
  4. Step 4: Simplify right side
    7,422.24x = 42,101,023.91
  5. Step 5: Solve for x
    x = 42,101,023.91/7,422.24
  6. Step 6: Final answer
    x = 5,672.28

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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.