Home / 4,333.80-6,494.60-1,988.04

Finding the Fourth Proportional to 4,333.80, 6,494.60 and 1,988.04

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Solution

The fourth proportional to 4,333.80, 6,494.60 and 1,988.04 is: 2,979.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.80 : 6,494.60 = 1,988.04 : x
  2. Step 2: Convert to fraction form
    4,333.80/6,494.60 = 1,988.04/x
  3. Step 3: Cross multiply
    4,333.80x = 6,494.60 × 1,988.04
  4. Step 4: Simplify right side
    4,333.80x = 12,911,524.58
  5. Step 5: Solve for x
    x = 12,911,524.58/4,333.80
  6. Step 6: Final answer
    x = 2,979.26

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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.