Home / 7,187.46-10,782.42-3,292.20

Finding the Fourth Proportional to 7,187.46, 10,782.42 and 3,292.20

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Solution

The fourth proportional to 7,187.46, 10,782.42 and 3,292.20 is: 4,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.46 : 10,782.42 = 3,292.20 : x
  2. Step 2: Convert to fraction form
    7,187.46/10,782.42 = 3,292.20/x
  3. Step 3: Cross multiply
    7,187.46x = 10,782.42 × 3,292.20
  4. Step 4: Simplify right side
    7,187.46x = 35,497,883.12
  5. Step 5: Solve for x
    x = 35,497,883.12/7,187.46
  6. Step 6: Final answer
    x = 4,938.86

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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.