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Finding the Fourth Proportional to 7,195, 10,788.40 and 4,275.36

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Solution

The fourth proportional to 7,195, 10,788.40 and 4,275.36 is: 6,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195 : 10,788.40 = 4,275.36 : x
  2. Step 2: Convert to fraction form
    7,195/10,788.40 = 4,275.36/x
  3. Step 3: Cross multiply
    7,195x = 10,788.40 × 4,275.36
  4. Step 4: Simplify right side
    7,195x = 46,124,293.82
  5. Step 5: Solve for x
    x = 46,124,293.82/7,195
  6. Step 6: Final answer
    x = 6,410.60

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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.