Home / 5,855.04-8,777.57-2,155.41

Finding the Fourth Proportional to 5,855.04, 8,777.57 and 2,155.41

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Solution

The fourth proportional to 5,855.04, 8,777.57 and 2,155.41 is: 3,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.04 : 8,777.57 = 2,155.41 : x
  2. Step 2: Convert to fraction form
    5,855.04/8,777.57 = 2,155.41/x
  3. Step 3: Cross multiply
    5,855.04x = 8,777.57 × 2,155.41
  4. Step 4: Simplify right side
    5,855.04x = 18,919,251.38
  5. Step 5: Solve for x
    x = 18,919,251.38/5,855.04
  6. Step 6: Final answer
    x = 3,231.28

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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.