Home / 5,152.80-7,726.32-2,074.08

Finding the Fourth Proportional to 5,152.80, 7,726.32 and 2,074.08

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Solution

The fourth proportional to 5,152.80, 7,726.32 and 2,074.08 is: 3,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.80 : 7,726.32 = 2,074.08 : x
  2. Step 2: Convert to fraction form
    5,152.80/7,726.32 = 2,074.08/x
  3. Step 3: Cross multiply
    5,152.80x = 7,726.32 × 2,074.08
  4. Step 4: Simplify right side
    5,152.80x = 16,025,005.79
  5. Step 5: Solve for x
    x = 16,025,005.79/5,152.80
  6. Step 6: Final answer
    x = 3,109.96

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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.