Home / 8,020.30-12,031.06-2,474.21

Finding the Fourth Proportional to 8,020.30, 12,031.06 and 2,474.21

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Solution

The fourth proportional to 8,020.30, 12,031.06 and 2,474.21 is: 3,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.30 : 12,031.06 = 2,474.21 : x
  2. Step 2: Convert to fraction form
    8,020.30/12,031.06 = 2,474.21/x
  3. Step 3: Cross multiply
    8,020.30x = 12,031.06 × 2,474.21
  4. Step 4: Simplify right side
    8,020.30x = 29,767,368.96
  5. Step 5: Solve for x
    x = 29,767,368.96/8,020.30
  6. Step 6: Final answer
    x = 3,711.50

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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.