Home / 5,213.97-7,817.58-1,926.18

Finding the Fourth Proportional to 5,213.97, 7,817.58 and 1,926.18

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Solution

The fourth proportional to 5,213.97, 7,817.58 and 1,926.18 is: 2,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.97 : 7,817.58 = 1,926.18 : x
  2. Step 2: Convert to fraction form
    5,213.97/7,817.58 = 1,926.18/x
  3. Step 3: Cross multiply
    5,213.97x = 7,817.58 × 1,926.18
  4. Step 4: Simplify right side
    5,213.97x = 15,058,066.24
  5. Step 5: Solve for x
    x = 15,058,066.24/5,213.97
  6. Step 6: Final answer
    x = 2,888.02

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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.