Home / 4,545.16-6,816.32-1,257.46

Finding the Fourth Proportional to 4,545.16, 6,816.32 and 1,257.46

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Solution

The fourth proportional to 4,545.16, 6,816.32 and 1,257.46 is: 1,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.16 : 6,816.32 = 1,257.46 : x
  2. Step 2: Convert to fraction form
    4,545.16/6,816.32 = 1,257.46/x
  3. Step 3: Cross multiply
    4,545.16x = 6,816.32 × 1,257.46
  4. Step 4: Simplify right side
    4,545.16x = 8,571,249.75
  5. Step 5: Solve for x
    x = 8,571,249.75/4,545.16
  6. Step 6: Final answer
    x = 1,885.80

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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.