Home / 5,626.41-8,439.84-2,116.05

Finding the Fourth Proportional to 5,626.41, 8,439.84 and 2,116.05

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Solution

The fourth proportional to 5,626.41, 8,439.84 and 2,116.05 is: 3,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.41 : 8,439.84 = 2,116.05 : x
  2. Step 2: Convert to fraction form
    5,626.41/8,439.84 = 2,116.05/x
  3. Step 3: Cross multiply
    5,626.41x = 8,439.84 × 2,116.05
  4. Step 4: Simplify right side
    5,626.41x = 17,859,123.43
  5. Step 5: Solve for x
    x = 17,859,123.43/5,626.41
  6. Step 6: Final answer
    x = 3,174.16

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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.