Home / 7,277.52-10,040.32-4,131.88

Finding the Fourth Proportional to 7,277.52, 10,040.32 and 4,131.88

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Solution

The fourth proportional to 7,277.52, 10,040.32 and 4,131.88 is: 5,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.52 : 10,040.32 = 4,131.88 : x
  2. Step 2: Convert to fraction form
    7,277.52/10,040.32 = 4,131.88/x
  3. Step 3: Cross multiply
    7,277.52x = 10,040.32 × 4,131.88
  4. Step 4: Simplify right side
    7,277.52x = 41,485,397.40
  5. Step 5: Solve for x
    x = 41,485,397.40/7,277.52
  6. Step 6: Final answer
    x = 5,700.49

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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.