Home / 9,717-13,407.30-5,738.28

Finding the Fourth Proportional to 9,717, 13,407.30 and 5,738.28

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Solution

The fourth proportional to 9,717, 13,407.30 and 5,738.28 is: 7,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717 : 13,407.30 = 5,738.28 : x
  2. Step 2: Convert to fraction form
    9,717/13,407.30 = 5,738.28/x
  3. Step 3: Cross multiply
    9,717x = 13,407.30 × 5,738.28
  4. Step 4: Simplify right side
    9,717x = 76,934,841.44
  5. Step 5: Solve for x
    x = 76,934,841.44/9,717
  6. Step 6: Final answer
    x = 7,917.55

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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.