Home / 5,450.52-8,176.86-1,988.04

Finding the Fourth Proportional to 5,450.52, 8,176.86 and 1,988.04

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Solution

The fourth proportional to 5,450.52, 8,176.86 and 1,988.04 is: 2,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.52 : 8,176.86 = 1,988.04 : x
  2. Step 2: Convert to fraction form
    5,450.52/8,176.86 = 1,988.04/x
  3. Step 3: Cross multiply
    5,450.52x = 8,176.86 × 1,988.04
  4. Step 4: Simplify right side
    5,450.52x = 16,255,924.75
  5. Step 5: Solve for x
    x = 16,255,924.75/5,450.52
  6. Step 6: Final answer
    x = 2,982.45

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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.