Home / 6,614.73-9,125.95-3,780.06

Finding the Fourth Proportional to 6,614.73, 9,125.95 and 3,780.06

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Solution

The fourth proportional to 6,614.73, 9,125.95 and 3,780.06 is: 5,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.73 : 9,125.95 = 3,780.06 : x
  2. Step 2: Convert to fraction form
    6,614.73/9,125.95 = 3,780.06/x
  3. Step 3: Cross multiply
    6,614.73x = 9,125.95 × 3,780.06
  4. Step 4: Simplify right side
    6,614.73x = 34,496,638.56
  5. Step 5: Solve for x
    x = 34,496,638.56/6,614.73
  6. Step 6: Final answer
    x = 5,215.12

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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.