Home / 5,634.57-7,775.59-3,116.78

Finding the Fourth Proportional to 5,634.57, 7,775.59 and 3,116.78

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Solution

The fourth proportional to 5,634.57, 7,775.59 and 3,116.78 is: 4,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.57 : 7,775.59 = 3,116.78 : x
  2. Step 2: Convert to fraction form
    5,634.57/7,775.59 = 3,116.78/x
  3. Step 3: Cross multiply
    5,634.57x = 7,775.59 × 3,116.78
  4. Step 4: Simplify right side
    5,634.57x = 24,234,803.40
  5. Step 5: Solve for x
    x = 24,234,803.40/5,634.57
  6. Step 6: Final answer
    x = 4,301.09

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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.