Home / 5,134.80-7,080.33-3,715.68

Finding the Fourth Proportional to 5,134.80, 7,080.33 and 3,715.68

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Solution

The fourth proportional to 5,134.80, 7,080.33 and 3,715.68 is: 5,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.80 : 7,080.33 = 3,715.68 : x
  2. Step 2: Convert to fraction form
    5,134.80/7,080.33 = 3,715.68/x
  3. Step 3: Cross multiply
    5,134.80x = 7,080.33 × 3,715.68
  4. Step 4: Simplify right side
    5,134.80x = 26,308,240.57
  5. Step 5: Solve for x
    x = 26,308,240.57/5,134.80
  6. Step 6: Final answer
    x = 5,123.52

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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.