Home / 5,113.13-7,037.82-3,694.55

Finding the Fourth Proportional to 5,113.13, 7,037.82 and 3,694.55

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Solution

The fourth proportional to 5,113.13, 7,037.82 and 3,694.55 is: 5,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.13 : 7,037.82 = 3,694.55 : x
  2. Step 2: Convert to fraction form
    5,113.13/7,037.82 = 3,694.55/x
  3. Step 3: Cross multiply
    5,113.13x = 7,037.82 × 3,694.55
  4. Step 4: Simplify right side
    5,113.13x = 26,001,542.69
  5. Step 5: Solve for x
    x = 26,001,542.69/5,113.13
  6. Step 6: Final answer
    x = 5,085.25

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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.