Home / 7,278.81-10,919.70-2,348.34

Finding the Fourth Proportional to 7,278.81, 10,919.70 and 2,348.34

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Solution

The fourth proportional to 7,278.81, 10,919.70 and 2,348.34 is: 3,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.81 : 10,919.70 = 2,348.34 : x
  2. Step 2: Convert to fraction form
    7,278.81/10,919.70 = 2,348.34/x
  3. Step 3: Cross multiply
    7,278.81x = 10,919.70 × 2,348.34
  4. Step 4: Simplify right side
    7,278.81x = 25,643,168.30
  5. Step 5: Solve for x
    x = 25,643,168.30/7,278.81
  6. Step 6: Final answer
    x = 3,522.99

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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.