Home / 4,065.96-5,613.78-2,575.20

Finding the Fourth Proportional to 4,065.96, 5,613.78 and 2,575.20

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Solution

The fourth proportional to 4,065.96, 5,613.78 and 2,575.20 is: 3,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.96 : 5,613.78 = 2,575.20 : x
  2. Step 2: Convert to fraction form
    4,065.96/5,613.78 = 2,575.20/x
  3. Step 3: Cross multiply
    4,065.96x = 5,613.78 × 2,575.20
  4. Step 4: Simplify right side
    4,065.96x = 14,456,606.26
  5. Step 5: Solve for x
    x = 14,456,606.26/4,065.96
  6. Step 6: Final answer
    x = 3,555.52

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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.