Home / 8,302.15-12,450.12-2,754.46

Finding the Fourth Proportional to 8,302.15, 12,450.12 and 2,754.46

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Solution

The fourth proportional to 8,302.15, 12,450.12 and 2,754.46 is: 4,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.15 : 12,450.12 = 2,754.46 : x
  2. Step 2: Convert to fraction form
    8,302.15/12,450.12 = 2,754.46/x
  3. Step 3: Cross multiply
    8,302.15x = 12,450.12 × 2,754.46
  4. Step 4: Simplify right side
    8,302.15x = 34,293,357.54
  5. Step 5: Solve for x
    x = 34,293,357.54/8,302.15
  6. Step 6: Final answer
    x = 4,130.66

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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.