Home / 9,211.79-13,802.90-5,512.28

Finding the Fourth Proportional to 9,211.79, 13,802.90 and 5,512.28

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Solution

The fourth proportional to 9,211.79, 13,802.90 and 5,512.28 is: 8,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.79 : 13,802.90 = 5,512.28 : x
  2. Step 2: Convert to fraction form
    9,211.79/13,802.90 = 5,512.28/x
  3. Step 3: Cross multiply
    9,211.79x = 13,802.90 × 5,512.28
  4. Step 4: Simplify right side
    9,211.79x = 76,085,353.04
  5. Step 5: Solve for x
    x = 76,085,353.04/9,211.79
  6. Step 6: Final answer
    x = 8,259.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.