Home / 5,135.13-7,699.48-2,358.24

Finding the Fourth Proportional to 5,135.13, 7,699.48 and 2,358.24

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Solution

The fourth proportional to 5,135.13, 7,699.48 and 2,358.24 is: 3,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.13 : 7,699.48 = 2,358.24 : x
  2. Step 2: Convert to fraction form
    5,135.13/7,699.48 = 2,358.24/x
  3. Step 3: Cross multiply
    5,135.13x = 7,699.48 × 2,358.24
  4. Step 4: Simplify right side
    5,135.13x = 18,157,221.72
  5. Step 5: Solve for x
    x = 18,157,221.72/5,135.13
  6. Step 6: Final answer
    x = 3,535.88

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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.