Home / 5,290.85-7,301.31-3,052.70

Finding the Fourth Proportional to 5,290.85, 7,301.31 and 3,052.70

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Solution

The fourth proportional to 5,290.85, 7,301.31 and 3,052.70 is: 4,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.85 : 7,301.31 = 3,052.70 : x
  2. Step 2: Convert to fraction form
    5,290.85/7,301.31 = 3,052.70/x
  3. Step 3: Cross multiply
    5,290.85x = 7,301.31 × 3,052.70
  4. Step 4: Simplify right side
    5,290.85x = 22,288,709.04
  5. Step 5: Solve for x
    x = 22,288,709.04/5,290.85
  6. Step 6: Final answer
    x = 4,212.69

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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.