Home / 9,401.19-12,974.93-5,422.21

Finding the Fourth Proportional to 9,401.19, 12,974.93 and 5,422.21

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Solution

The fourth proportional to 9,401.19, 12,974.93 and 5,422.21 is: 7,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.19 : 12,974.93 = 5,422.21 : x
  2. Step 2: Convert to fraction form
    9,401.19/12,974.93 = 5,422.21/x
  3. Step 3: Cross multiply
    9,401.19x = 12,974.93 × 5,422.21
  4. Step 4: Simplify right side
    9,401.19x = 70,352,824.97
  5. Step 5: Solve for x
    x = 70,352,824.97/9,401.19
  6. Step 6: Final answer
    x = 7,483.40

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Double scale
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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.