Home / 4,665.12-6,418.56-4,077.12

Finding the Fourth Proportional to 4,665.12, 6,418.56 and 4,077.12

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Solution

The fourth proportional to 4,665.12, 6,418.56 and 4,077.12 is: 5,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.12 : 6,418.56 = 4,077.12 : x
  2. Step 2: Convert to fraction form
    4,665.12/6,418.56 = 4,077.12/x
  3. Step 3: Cross multiply
    4,665.12x = 6,418.56 × 4,077.12
  4. Step 4: Simplify right side
    4,665.12x = 26,169,239.35
  5. Step 5: Solve for x
    x = 26,169,239.35/4,665.12
  6. Step 6: Final answer
    x = 5,609.55

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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.