Home / 9,057.65-13,589.42-4,378.19

Finding the Fourth Proportional to 9,057.65, 13,589.42 and 4,378.19

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Solution

The fourth proportional to 9,057.65, 13,589.42 and 4,378.19 is: 6,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.65 : 13,589.42 = 4,378.19 : x
  2. Step 2: Convert to fraction form
    9,057.65/13,589.42 = 4,378.19/x
  3. Step 3: Cross multiply
    9,057.65x = 13,589.42 × 4,378.19
  4. Step 4: Simplify right side
    9,057.65x = 59,496,972.91
  5. Step 5: Solve for x
    x = 59,496,972.91/9,057.65
  6. Step 6: Final answer
    x = 6,568.70

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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.