Home / 7,131.39-10,670.36-5,899.38

Finding the Fourth Proportional to 7,131.39, 10,670.36 and 5,899.38

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Solution

The fourth proportional to 7,131.39, 10,670.36 and 5,899.38 is: 8,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.39 : 10,670.36 = 5,899.38 : x
  2. Step 2: Convert to fraction form
    7,131.39/10,670.36 = 5,899.38/x
  3. Step 3: Cross multiply
    7,131.39x = 10,670.36 × 5,899.38
  4. Step 4: Simplify right side
    7,131.39x = 62,948,478.88
  5. Step 5: Solve for x
    x = 62,948,478.88/7,131.39
  6. Step 6: Final answer
    x = 8,826.96

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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.