Home / 5,290.14-7,937.37-2,919.18

Finding the Fourth Proportional to 5,290.14, 7,937.37 and 2,919.18

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Solution

The fourth proportional to 5,290.14, 7,937.37 and 2,919.18 is: 4,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.14 : 7,937.37 = 2,919.18 : x
  2. Step 2: Convert to fraction form
    5,290.14/7,937.37 = 2,919.18/x
  3. Step 3: Cross multiply
    5,290.14x = 7,937.37 × 2,919.18
  4. Step 4: Simplify right side
    5,290.14x = 23,170,611.76
  5. Step 5: Solve for x
    x = 23,170,611.76/5,290.14
  6. Step 6: Final answer
    x = 4,379.96

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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.