Home / 8,045.52-11,109.24-5,395.20

Finding the Fourth Proportional to 8,045.52, 11,109.24 and 5,395.20

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Solution

The fourth proportional to 8,045.52, 11,109.24 and 5,395.20 is: 7,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.52 : 11,109.24 = 5,395.20 : x
  2. Step 2: Convert to fraction form
    8,045.52/11,109.24 = 5,395.20/x
  3. Step 3: Cross multiply
    8,045.52x = 11,109.24 × 5,395.20
  4. Step 4: Simplify right side
    8,045.52x = 59,936,571.65
  5. Step 5: Solve for x
    x = 59,936,571.65/8,045.52
  6. Step 6: Final answer
    x = 7,449.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.