Home / 4,694.55-7,040.70-2,715.90

Finding the Fourth Proportional to 4,694.55, 7,040.70 and 2,715.90

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Solution

The fourth proportional to 4,694.55, 7,040.70 and 2,715.90 is: 4,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.55 : 7,040.70 = 2,715.90 : x
  2. Step 2: Convert to fraction form
    4,694.55/7,040.70 = 2,715.90/x
  3. Step 3: Cross multiply
    4,694.55x = 7,040.70 × 2,715.90
  4. Step 4: Simplify right side
    4,694.55x = 19,121,837.13
  5. Step 5: Solve for x
    x = 19,121,837.13/4,694.55
  6. Step 6: Final answer
    x = 4,073.20

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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.