Home / 4,266.57-6,400.85-1,344.80

Finding the Fourth Proportional to 4,266.57, 6,400.85 and 1,344.80

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Solution

The fourth proportional to 4,266.57, 6,400.85 and 1,344.80 is: 2,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.57 : 6,400.85 = 1,344.80 : x
  2. Step 2: Convert to fraction form
    4,266.57/6,400.85 = 1,344.80/x
  3. Step 3: Cross multiply
    4,266.57x = 6,400.85 × 1,344.80
  4. Step 4: Simplify right side
    4,266.57x = 8,607,863.08
  5. Step 5: Solve for x
    x = 8,607,863.08/4,266.57
  6. Step 6: Final answer
    x = 2,017.51

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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.