Home / 6,087.80-9,131.70-4,427.30

Finding the Fourth Proportional to 6,087.80, 9,131.70 and 4,427.30

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Solution

The fourth proportional to 6,087.80, 9,131.70 and 4,427.30 is: 6,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,087.80 : 9,131.70 = 4,427.30 : x
  2. Step 2: Convert to fraction form
    6,087.80/9,131.70 = 4,427.30/x
  3. Step 3: Cross multiply
    6,087.80x = 9,131.70 × 4,427.30
  4. Step 4: Simplify right side
    6,087.80x = 40,428,775.41
  5. Step 5: Solve for x
    x = 40,428,775.41/6,087.80
  6. Step 6: Final answer
    x = 6,640.95

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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.