Home / 5,623.05-8,439.68-2,851.65

Finding the Fourth Proportional to 5,623.05, 8,439.68 and 2,851.65

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Solution

The fourth proportional to 5,623.05, 8,439.68 and 2,851.65 is: 4,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.05 : 8,439.68 = 2,851.65 : x
  2. Step 2: Convert to fraction form
    5,623.05/8,439.68 = 2,851.65/x
  3. Step 3: Cross multiply
    5,623.05x = 8,439.68 × 2,851.65
  4. Step 4: Simplify right side
    5,623.05x = 24,066,999.21
  5. Step 5: Solve for x
    x = 24,066,999.21/5,623.05
  6. Step 6: Final answer
    x = 4,280.06

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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.