Home / 4,972.19-6,861.76-2,734.21

Finding the Fourth Proportional to 4,972.19, 6,861.76 and 2,734.21

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Solution

The fourth proportional to 4,972.19, 6,861.76 and 2,734.21 is: 3,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.19 : 6,861.76 = 2,734.21 : x
  2. Step 2: Convert to fraction form
    4,972.19/6,861.76 = 2,734.21/x
  3. Step 3: Cross multiply
    4,972.19x = 6,861.76 × 2,734.21
  4. Step 4: Simplify right side
    4,972.19x = 18,761,492.81
  5. Step 5: Solve for x
    x = 18,761,492.81/4,972.19
  6. Step 6: Final answer
    x = 3,773.29

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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.