Home / 4,545.18-6,816.42-1,257.48

Finding the Fourth Proportional to 4,545.18, 6,816.42 and 1,257.48

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Solution

The fourth proportional to 4,545.18, 6,816.42 and 1,257.48 is: 1,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.18 : 6,816.42 = 1,257.48 : x
  2. Step 2: Convert to fraction form
    4,545.18/6,816.42 = 1,257.48/x
  3. Step 3: Cross multiply
    4,545.18x = 6,816.42 × 1,257.48
  4. Step 4: Simplify right side
    4,545.18x = 8,571,511.82
  5. Step 5: Solve for x
    x = 8,571,511.82/4,545.18
  6. Step 6: Final answer
    x = 1,885.85

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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.