Home / 5,510.14-8,261.60-3,138.28

Finding the Fourth Proportional to 5,510.14, 8,261.60 and 3,138.28

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Solution

The fourth proportional to 5,510.14, 8,261.60 and 3,138.28 is: 4,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.14 : 8,261.60 = 3,138.28 : x
  2. Step 2: Convert to fraction form
    5,510.14/8,261.60 = 3,138.28/x
  3. Step 3: Cross multiply
    5,510.14x = 8,261.60 × 3,138.28
  4. Step 4: Simplify right side
    5,510.14x = 25,927,177.70
  5. Step 5: Solve for x
    x = 25,927,177.70/5,510.14
  6. Step 6: Final answer
    x = 4,705.36

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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.