Home / 8,055.27-11,112.08-5,065.47

Finding the Fourth Proportional to 8,055.27, 11,112.08 and 5,065.47

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Solution

The fourth proportional to 8,055.27, 11,112.08 and 5,065.47 is: 6,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.27 : 11,112.08 = 5,065.47 : x
  2. Step 2: Convert to fraction form
    8,055.27/11,112.08 = 5,065.47/x
  3. Step 3: Cross multiply
    8,055.27x = 11,112.08 × 5,065.47
  4. Step 4: Simplify right side
    8,055.27x = 56,287,882.55
  5. Step 5: Solve for x
    x = 56,287,882.55/8,055.27
  6. Step 6: Final answer
    x = 6,987.71

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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.