Home / 4,065.72-5,613.78-2,577.18

Finding the Fourth Proportional to 4,065.72, 5,613.78 and 2,577.18

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Solution

The fourth proportional to 4,065.72, 5,613.78 and 2,577.18 is: 3,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.72 : 5,613.78 = 2,577.18 : x
  2. Step 2: Convert to fraction form
    4,065.72/5,613.78 = 2,577.18/x
  3. Step 3: Cross multiply
    4,065.72x = 5,613.78 × 2,577.18
  4. Step 4: Simplify right side
    4,065.72x = 14,467,721.54
  5. Step 5: Solve for x
    x = 14,467,721.54/4,065.72
  6. Step 6: Final answer
    x = 3,558.46

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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.