Home / 6,517.95-9,775.42-3,886.20

Finding the Fourth Proportional to 6,517.95, 9,775.42 and 3,886.20

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Solution

The fourth proportional to 6,517.95, 9,775.42 and 3,886.20 is: 5,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.95 : 9,775.42 = 3,886.20 : x
  2. Step 2: Convert to fraction form
    6,517.95/9,775.42 = 3,886.20/x
  3. Step 3: Cross multiply
    6,517.95x = 9,775.42 × 3,886.20
  4. Step 4: Simplify right side
    6,517.95x = 37,989,168.90
  5. Step 5: Solve for x
    x = 37,989,168.90/6,517.95
  6. Step 6: Final answer
    x = 5,828.39

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1.5x scale

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.