Home / 5,445.39-8,168.09-1,549.80

Finding the Fourth Proportional to 5,445.39, 8,168.09 and 1,549.80

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Solution

The fourth proportional to 5,445.39, 8,168.09 and 1,549.80 is: 2,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.39 : 8,168.09 = 1,549.80 : x
  2. Step 2: Convert to fraction form
    5,445.39/8,168.09 = 1,549.80/x
  3. Step 3: Cross multiply
    5,445.39x = 8,168.09 × 1,549.80
  4. Step 4: Simplify right side
    5,445.39x = 12,658,909.76
  5. Step 5: Solve for x
    x = 12,658,909.76/5,445.39
  6. Step 6: Final answer
    x = 2,324.70

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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.