Home / 7,131.56-10,700.57-3,671.24

Finding the Fourth Proportional to 7,131.56, 10,700.57 and 3,671.24

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Solution

The fourth proportional to 7,131.56, 10,700.57 and 3,671.24 is: 5,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.56 : 10,700.57 = 3,671.24 : x
  2. Step 2: Convert to fraction form
    7,131.56/10,700.57 = 3,671.24/x
  3. Step 3: Cross multiply
    7,131.56x = 10,700.57 × 3,671.24
  4. Step 4: Simplify right side
    7,131.56x = 39,284,316.28
  5. Step 5: Solve for x
    x = 39,284,316.28/7,131.56
  6. Step 6: Final answer
    x = 5,508.52

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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.