Home / 4,545.62-6,818.43-1,425.65

Finding the Fourth Proportional to 4,545.62, 6,818.43 and 1,425.65

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Solution

The fourth proportional to 4,545.62, 6,818.43 and 1,425.65 is: 2,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.62 : 6,818.43 = 1,425.65 : x
  2. Step 2: Convert to fraction form
    4,545.62/6,818.43 = 1,425.65/x
  3. Step 3: Cross multiply
    4,545.62x = 6,818.43 × 1,425.65
  4. Step 4: Simplify right side
    4,545.62x = 9,720,660.64
  5. Step 5: Solve for x
    x = 9,720,660.64/4,545.62
  6. Step 6: Final answer
    x = 2,138.47

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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.