Home / 5,855.03-8,777.21-2,154.68

Finding the Fourth Proportional to 5,855.03, 8,777.21 and 2,154.68

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Solution

The fourth proportional to 5,855.03, 8,777.21 and 2,154.68 is: 3,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.03 : 8,777.21 = 2,154.68 : x
  2. Step 2: Convert to fraction form
    5,855.03/8,777.21 = 2,154.68/x
  3. Step 3: Cross multiply
    5,855.03x = 8,777.21 × 2,154.68
  4. Step 4: Simplify right side
    5,855.03x = 18,912,024.18
  5. Step 5: Solve for x
    x = 18,912,024.18/5,855.03
  6. Step 6: Final answer
    x = 3,230.05

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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.