Home / 9,219.43-12,722.79-5,027.68

Finding the Fourth Proportional to 9,219.43, 12,722.79 and 5,027.68

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Solution

The fourth proportional to 9,219.43, 12,722.79 and 5,027.68 is: 6,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.43 : 12,722.79 = 5,027.68 : x
  2. Step 2: Convert to fraction form
    9,219.43/12,722.79 = 5,027.68/x
  3. Step 3: Cross multiply
    9,219.43x = 12,722.79 × 5,027.68
  4. Step 4: Simplify right side
    9,219.43x = 63,966,116.83
  5. Step 5: Solve for x
    x = 63,966,116.83/9,219.43
  6. Step 6: Final answer
    x = 6,938.19

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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.