Home / 5,505.11-7,595.20-3,145.58

Finding the Fourth Proportional to 5,505.11, 7,595.20 and 3,145.58

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Solution

The fourth proportional to 5,505.11, 7,595.20 and 3,145.58 is: 4,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.11 : 7,595.20 = 3,145.58 : x
  2. Step 2: Convert to fraction form
    5,505.11/7,595.20 = 3,145.58/x
  3. Step 3: Cross multiply
    5,505.11x = 7,595.20 × 3,145.58
  4. Step 4: Simplify right side
    5,505.11x = 23,891,309.22
  5. Step 5: Solve for x
    x = 23,891,309.22/5,505.11
  6. Step 6: Final answer
    x = 4,339.84

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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.