Home / 5,633.20-8,448.68-1,935.12

Finding the Fourth Proportional to 5,633.20, 8,448.68 and 1,935.12

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Solution

The fourth proportional to 5,633.20, 8,448.68 and 1,935.12 is: 2,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.20 : 8,448.68 = 1,935.12 : x
  2. Step 2: Convert to fraction form
    5,633.20/8,448.68 = 1,935.12/x
  3. Step 3: Cross multiply
    5,633.20x = 8,448.68 × 1,935.12
  4. Step 4: Simplify right side
    5,633.20x = 16,349,209.64
  5. Step 5: Solve for x
    x = 16,349,209.64/5,633.20
  6. Step 6: Final answer
    x = 2,902.30

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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.