Home / 5,507.49-7,600.34-2,989.60

Finding the Fourth Proportional to 5,507.49, 7,600.34 and 2,989.60

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Solution

The fourth proportional to 5,507.49, 7,600.34 and 2,989.60 is: 4,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.49 : 7,600.34 = 2,989.60 : x
  2. Step 2: Convert to fraction form
    5,507.49/7,600.34 = 2,989.60/x
  3. Step 3: Cross multiply
    5,507.49x = 7,600.34 × 2,989.60
  4. Step 4: Simplify right side
    5,507.49x = 22,721,951.56
  5. Step 5: Solve for x
    x = 22,721,951.56/5,507.49
  6. Step 6: Final answer
    x = 4,125.65

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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.