Home / 5,300.00-7,934.13-3,213.65

Finding the Fourth Proportional to 5,300.00, 7,934.13 and 3,213.65

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Solution

The fourth proportional to 5,300.00, 7,934.13 and 3,213.65 is: 4,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.00 : 7,934.13 = 3,213.65 : x
  2. Step 2: Convert to fraction form
    5,300.00/7,934.13 = 3,213.65/x
  3. Step 3: Cross multiply
    5,300.00x = 7,934.13 × 3,213.65
  4. Step 4: Simplify right side
    5,300.00x = 25,497,477.20
  5. Step 5: Solve for x
    x = 25,497,477.20/5,300.00
  6. Step 6: Final answer
    x = 4,810.85

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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.