Home / 5,456.82-7,530.51-3,099.11

Finding the Fourth Proportional to 5,456.82, 7,530.51 and 3,099.11

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Solution

The fourth proportional to 5,456.82, 7,530.51 and 3,099.11 is: 4,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.82 : 7,530.51 = 3,099.11 : x
  2. Step 2: Convert to fraction form
    5,456.82/7,530.51 = 3,099.11/x
  3. Step 3: Cross multiply
    5,456.82x = 7,530.51 × 3,099.11
  4. Step 4: Simplify right side
    5,456.82x = 23,337,841.19
  5. Step 5: Solve for x
    x = 23,337,841.19/5,456.82
  6. Step 6: Final answer
    x = 4,276.82

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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.