Home / 5,400.74-8,100.50-1,452.34

Finding the Fourth Proportional to 5,400.74, 8,100.50 and 1,452.34

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Solution

The fourth proportional to 5,400.74, 8,100.50 and 1,452.34 is: 2,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.74 : 8,100.50 = 1,452.34 : x
  2. Step 2: Convert to fraction form
    5,400.74/8,100.50 = 1,452.34/x
  3. Step 3: Cross multiply
    5,400.74x = 8,100.50 × 1,452.34
  4. Step 4: Simplify right side
    5,400.74x = 11,764,680.17
  5. Step 5: Solve for x
    x = 11,764,680.17/5,400.74
  6. Step 6: Final answer
    x = 2,178.35

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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.