Home / 4,869.44-6,724.50-3,381.20

Finding the Fourth Proportional to 4,869.44, 6,724.50 and 3,381.20

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Solution

The fourth proportional to 4,869.44, 6,724.50 and 3,381.20 is: 4,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.44 : 6,724.50 = 3,381.20 : x
  2. Step 2: Convert to fraction form
    4,869.44/6,724.50 = 3,381.20/x
  3. Step 3: Cross multiply
    4,869.44x = 6,724.50 × 3,381.20
  4. Step 4: Simplify right side
    4,869.44x = 22,736,879.40
  5. Step 5: Solve for x
    x = 22,736,879.40/4,869.44
  6. Step 6: Final answer
    x = 4,669.30

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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.