Home / 4,612.18-6,921.96-2,391.64

Finding the Fourth Proportional to 4,612.18, 6,921.96 and 2,391.64

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Solution

The fourth proportional to 4,612.18, 6,921.96 and 2,391.64 is: 3,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.18 : 6,921.96 = 2,391.64 : x
  2. Step 2: Convert to fraction form
    4,612.18/6,921.96 = 2,391.64/x
  3. Step 3: Cross multiply
    4,612.18x = 6,921.96 × 2,391.64
  4. Step 4: Simplify right side
    4,612.18x = 16,554,849.08
  5. Step 5: Solve for x
    x = 16,554,849.08/4,612.18
  6. Step 6: Final answer
    x = 3,589.38

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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.