Home / 7,182.28-9,911.34-4,351.33

Finding the Fourth Proportional to 7,182.28, 9,911.34 and 4,351.33

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Solution

The fourth proportional to 7,182.28, 9,911.34 and 4,351.33 is: 6,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.28 : 9,911.34 = 4,351.33 : x
  2. Step 2: Convert to fraction form
    7,182.28/9,911.34 = 4,351.33/x
  3. Step 3: Cross multiply
    7,182.28x = 9,911.34 × 4,351.33
  4. Step 4: Simplify right side
    7,182.28x = 43,127,461.53
  5. Step 5: Solve for x
    x = 43,127,461.53/7,182.28
  6. Step 6: Final answer
    x = 6,004.71

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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.