Home / 8,622.29-11,898.43-5,270.72

Finding the Fourth Proportional to 8,622.29, 11,898.43 and 5,270.72

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Solution

The fourth proportional to 8,622.29, 11,898.43 and 5,270.72 is: 7,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.29 : 11,898.43 = 5,270.72 : x
  2. Step 2: Convert to fraction form
    8,622.29/11,898.43 = 5,270.72/x
  3. Step 3: Cross multiply
    8,622.29x = 11,898.43 × 5,270.72
  4. Step 4: Simplify right side
    8,622.29x = 62,713,207.12
  5. Step 5: Solve for x
    x = 62,713,207.12/8,622.29
  6. Step 6: Final answer
    x = 7,273.38

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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.