Home / 4,407.80-6,613.24-2,762.40

Finding the Fourth Proportional to 4,407.80, 6,613.24 and 2,762.40

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Solution

The fourth proportional to 4,407.80, 6,613.24 and 2,762.40 is: 4,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.80 : 6,613.24 = 2,762.40 : x
  2. Step 2: Convert to fraction form
    4,407.80/6,613.24 = 2,762.40/x
  3. Step 3: Cross multiply
    4,407.80x = 6,613.24 × 2,762.40
  4. Step 4: Simplify right side
    4,407.80x = 18,268,414.18
  5. Step 5: Solve for x
    x = 18,268,414.18/4,407.80
  6. Step 6: Final answer
    x = 4,144.57

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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.