Home / 7,131.26-10,695.66-1,937.13

Finding the Fourth Proportional to 7,131.26, 10,695.66 and 1,937.13

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Solution

The fourth proportional to 7,131.26, 10,695.66 and 1,937.13 is: 2,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.26 : 10,695.66 = 1,937.13 : x
  2. Step 2: Convert to fraction form
    7,131.26/10,695.66 = 1,937.13/x
  3. Step 3: Cross multiply
    7,131.26x = 10,695.66 × 1,937.13
  4. Step 4: Simplify right side
    7,131.26x = 20,718,883.86
  5. Step 5: Solve for x
    x = 20,718,883.86/7,131.26
  6. Step 6: Final answer
    x = 2,905.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.