Home / 8,020.29-12,031.38-3,343.47

Finding the Fourth Proportional to 8,020.29, 12,031.38 and 3,343.47

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Solution

The fourth proportional to 8,020.29, 12,031.38 and 3,343.47 is: 5,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.29 : 12,031.38 = 3,343.47 : x
  2. Step 2: Convert to fraction form
    8,020.29/12,031.38 = 3,343.47/x
  3. Step 3: Cross multiply
    8,020.29x = 12,031.38 × 3,343.47
  4. Step 4: Simplify right side
    8,020.29x = 40,226,558.09
  5. Step 5: Solve for x
    x = 40,226,558.09/8,020.29
  6. Step 6: Final answer
    x = 5,015.60

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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.