Home / 5,521.50-7,619.67-3,164.13

Finding the Fourth Proportional to 5,521.50, 7,619.67 and 3,164.13

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Solution

The fourth proportional to 5,521.50, 7,619.67 and 3,164.13 is: 4,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.50 : 7,619.67 = 3,164.13 : x
  2. Step 2: Convert to fraction form
    5,521.50/7,619.67 = 3,164.13/x
  3. Step 3: Cross multiply
    5,521.50x = 7,619.67 × 3,164.13
  4. Step 4: Simplify right side
    5,521.50x = 24,109,626.44
  5. Step 5: Solve for x
    x = 24,109,626.44/5,521.50
  6. Step 6: Final answer
    x = 4,366.50

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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.