Home / 5,604.40-7,734.56-3,087

Finding the Fourth Proportional to 5,604.40, 7,734.56 and 3,087

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Solution

The fourth proportional to 5,604.40, 7,734.56 and 3,087 is: 4,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.40 : 7,734.56 = 3,087 : x
  2. Step 2: Convert to fraction form
    5,604.40/7,734.56 = 3,087/x
  3. Step 3: Cross multiply
    5,604.40x = 7,734.56 × 3,087
  4. Step 4: Simplify right side
    5,604.40x = 23,876,586.72
  5. Step 5: Solve for x
    x = 23,876,586.72/5,604.40
  6. Step 6: Final answer
    x = 4,260.33

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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.