Home / 6,109.68-9,158.04-2,647.20

Finding the Fourth Proportional to 6,109.68, 9,158.04 and 2,647.20

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Solution

The fourth proportional to 6,109.68, 9,158.04 and 2,647.20 is: 3,967.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.68 : 9,158.04 = 2,647.20 : x
  2. Step 2: Convert to fraction form
    6,109.68/9,158.04 = 2,647.20/x
  3. Step 3: Cross multiply
    6,109.68x = 9,158.04 × 2,647.20
  4. Step 4: Simplify right side
    6,109.68x = 24,243,163.49
  5. Step 5: Solve for x
    x = 24,243,163.49/6,109.68
  6. Step 6: Final answer
    x = 3,967.99

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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.