Home / 7,276.12-10,040.78-4,132.08

Finding the Fourth Proportional to 7,276.12, 10,040.78 and 4,132.08

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Solution

The fourth proportional to 7,276.12, 10,040.78 and 4,132.08 is: 5,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.12 : 10,040.78 = 4,132.08 : x
  2. Step 2: Convert to fraction form
    7,276.12/10,040.78 = 4,132.08/x
  3. Step 3: Cross multiply
    7,276.12x = 10,040.78 × 4,132.08
  4. Step 4: Simplify right side
    7,276.12x = 41,489,306.22
  5. Step 5: Solve for x
    x = 41,489,306.22/7,276.12
  6. Step 6: Final answer
    x = 5,702.12

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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.