Home / 7,182.02-9,912.03-4,387.52

Finding the Fourth Proportional to 7,182.02, 9,912.03 and 4,387.52

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Solution

The fourth proportional to 7,182.02, 9,912.03 and 4,387.52 is: 6,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.02 : 9,912.03 = 4,387.52 : x
  2. Step 2: Convert to fraction form
    7,182.02/9,912.03 = 4,387.52/x
  3. Step 3: Cross multiply
    7,182.02x = 9,912.03 × 4,387.52
  4. Step 4: Simplify right side
    7,182.02x = 43,489,229.87
  5. Step 5: Solve for x
    x = 43,489,229.87/7,182.02
  6. Step 6: Final answer
    x = 6,055.29

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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.