Home / 4,745.10-6,545.66-2,855.55

Finding the Fourth Proportional to 4,745.10, 6,545.66 and 2,855.55

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Solution

The fourth proportional to 4,745.10, 6,545.66 and 2,855.55 is: 3,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.10 : 6,545.66 = 2,855.55 : x
  2. Step 2: Convert to fraction form
    4,745.10/6,545.66 = 2,855.55/x
  3. Step 3: Cross multiply
    4,745.10x = 6,545.66 × 2,855.55
  4. Step 4: Simplify right side
    4,745.10x = 18,691,459.41
  5. Step 5: Solve for x
    x = 18,691,459.41/4,745.10
  6. Step 6: Final answer
    x = 3,939.11

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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.