Home / 4,454.16-6,681.42-1,988.52

Finding the Fourth Proportional to 4,454.16, 6,681.42 and 1,988.52

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Solution

The fourth proportional to 4,454.16, 6,681.42 and 1,988.52 is: 2,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.16 : 6,681.42 = 1,988.52 : x
  2. Step 2: Convert to fraction form
    4,454.16/6,681.42 = 1,988.52/x
  3. Step 3: Cross multiply
    4,454.16x = 6,681.42 × 1,988.52
  4. Step 4: Simplify right side
    4,454.16x = 13,286,137.30
  5. Step 5: Solve for x
    x = 13,286,137.30/4,454.16
  6. Step 6: Final answer
    x = 2,982.86

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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.