Home / 7,984.26-11,020.83-5,151.71

Finding the Fourth Proportional to 7,984.26, 11,020.83 and 5,151.71

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Solution

The fourth proportional to 7,984.26, 11,020.83 and 5,151.71 is: 7,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.26 : 11,020.83 = 5,151.71 : x
  2. Step 2: Convert to fraction form
    7,984.26/11,020.83 = 5,151.71/x
  3. Step 3: Cross multiply
    7,984.26x = 11,020.83 × 5,151.71
  4. Step 4: Simplify right side
    7,984.26x = 56,776,120.12
  5. Step 5: Solve for x
    x = 56,776,120.12/7,984.26
  6. Step 6: Final answer
    x = 7,111.01

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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.