Home / 5,134.59-7,087.49-3,010.80

Finding the Fourth Proportional to 5,134.59, 7,087.49 and 3,010.80

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Solution

The fourth proportional to 5,134.59, 7,087.49 and 3,010.80 is: 4,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.59 : 7,087.49 = 3,010.80 : x
  2. Step 2: Convert to fraction form
    5,134.59/7,087.49 = 3,010.80/x
  3. Step 3: Cross multiply
    5,134.59x = 7,087.49 × 3,010.80
  4. Step 4: Simplify right side
    5,134.59x = 21,339,014.89
  5. Step 5: Solve for x
    x = 21,339,014.89/5,134.59
  6. Step 6: Final answer
    x = 4,155.93

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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.