Home / 4,306.90-5,942.60-2,817

Finding the Fourth Proportional to 4,306.90, 5,942.60 and 2,817

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Solution

The fourth proportional to 4,306.90, 5,942.60 and 2,817 is: 3,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.90 : 5,942.60 = 2,817 : x
  2. Step 2: Convert to fraction form
    4,306.90/5,942.60 = 2,817/x
  3. Step 3: Cross multiply
    4,306.90x = 5,942.60 × 2,817
  4. Step 4: Simplify right side
    4,306.90x = 16,740,304.20
  5. Step 5: Solve for x
    x = 16,740,304.20/4,306.90
  6. Step 6: Final answer
    x = 3,886.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.