Home / 8,921.90-13,381.79-2,348.60

Finding the Fourth Proportional to 8,921.90, 13,381.79 and 2,348.60

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Solution

The fourth proportional to 8,921.90, 13,381.79 and 2,348.60 is: 3,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.90 : 13,381.79 = 2,348.60 : x
  2. Step 2: Convert to fraction form
    8,921.90/13,381.79 = 2,348.60/x
  3. Step 3: Cross multiply
    8,921.90x = 13,381.79 × 2,348.60
  4. Step 4: Simplify right side
    8,921.90x = 31,428,486.28
  5. Step 5: Solve for x
    x = 31,428,486.28/8,921.90
  6. Step 6: Final answer
    x = 3,522.62

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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.