Home / 4,172.14-6,259.65-2,613.30

Finding the Fourth Proportional to 4,172.14, 6,259.65 and 2,613.30

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Solution

The fourth proportional to 4,172.14, 6,259.65 and 2,613.30 is: 3,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.14 : 6,259.65 = 2,613.30 : x
  2. Step 2: Convert to fraction form
    4,172.14/6,259.65 = 2,613.30/x
  3. Step 3: Cross multiply
    4,172.14x = 6,259.65 × 2,613.30
  4. Step 4: Simplify right side
    4,172.14x = 16,358,343.35
  5. Step 5: Solve for x
    x = 16,358,343.35/4,172.14
  6. Step 6: Final answer
    x = 3,920.85

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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.