Home / 4,872.42-6,724.43-2,985.23

Finding the Fourth Proportional to 4,872.42, 6,724.43 and 2,985.23

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Solution

The fourth proportional to 4,872.42, 6,724.43 and 2,985.23 is: 4,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.42 : 6,724.43 = 2,985.23 : x
  2. Step 2: Convert to fraction form
    4,872.42/6,724.43 = 2,985.23/x
  3. Step 3: Cross multiply
    4,872.42x = 6,724.43 × 2,985.23
  4. Step 4: Simplify right side
    4,872.42x = 20,073,921.62
  5. Step 5: Solve for x
    x = 20,073,921.62/4,872.42
  6. Step 6: Final answer
    x = 4,119.91

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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.