Home / 5,475.04-8,211.36-1,578.60

Finding the Fourth Proportional to 5,475.04, 8,211.36 and 1,578.60

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Solution

The fourth proportional to 5,475.04, 8,211.36 and 1,578.60 is: 2,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.04 : 8,211.36 = 1,578.60 : x
  2. Step 2: Convert to fraction form
    5,475.04/8,211.36 = 1,578.60/x
  3. Step 3: Cross multiply
    5,475.04x = 8,211.36 × 1,578.60
  4. Step 4: Simplify right side
    5,475.04x = 12,962,452.90
  5. Step 5: Solve for x
    x = 12,962,452.90/5,475.04
  6. Step 6: Final answer
    x = 2,367.55

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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.