Home / 5,632.80-8,444.08-2,169.12

Finding the Fourth Proportional to 5,632.80, 8,444.08 and 2,169.12

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Solution

The fourth proportional to 5,632.80, 8,444.08 and 2,169.12 is: 3,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.80 : 8,444.08 = 2,169.12 : x
  2. Step 2: Convert to fraction form
    5,632.80/8,444.08 = 2,169.12/x
  3. Step 3: Cross multiply
    5,632.80x = 8,444.08 × 2,169.12
  4. Step 4: Simplify right side
    5,632.80x = 18,316,222.81
  5. Step 5: Solve for x
    x = 18,316,222.81/5,632.80
  6. Step 6: Final answer
    x = 3,251.71

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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.