Home / 7,278.30-10,919.58-2,347.82

Finding the Fourth Proportional to 7,278.30, 10,919.58 and 2,347.82

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Solution

The fourth proportional to 7,278.30, 10,919.58 and 2,347.82 is: 3,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.30 : 10,919.58 = 2,347.82 : x
  2. Step 2: Convert to fraction form
    7,278.30/10,919.58 = 2,347.82/x
  3. Step 3: Cross multiply
    7,278.30x = 10,919.58 × 2,347.82
  4. Step 4: Simplify right side
    7,278.30x = 25,637,208.32
  5. Step 5: Solve for x
    x = 25,637,208.32/7,278.30
  6. Step 6: Final answer
    x = 3,522.42

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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.