Home / 5,087.40-7,625.24-3,188.58

Finding the Fourth Proportional to 5,087.40, 7,625.24 and 3,188.58

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Solution

The fourth proportional to 5,087.40, 7,625.24 and 3,188.58 is: 4,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.40 : 7,625.24 = 3,188.58 : x
  2. Step 2: Convert to fraction form
    5,087.40/7,625.24 = 3,188.58/x
  3. Step 3: Cross multiply
    5,087.40x = 7,625.24 × 3,188.58
  4. Step 4: Simplify right side
    5,087.40x = 24,313,687.76
  5. Step 5: Solve for x
    x = 24,313,687.76/5,087.40
  6. Step 6: Final answer
    x = 4,779.20

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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.