Home / 4,428.78-6,643.14-1,350.78

Finding the Fourth Proportional to 4,428.78, 6,643.14 and 1,350.78

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Solution

The fourth proportional to 4,428.78, 6,643.14 and 1,350.78 is: 2,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.78 : 6,643.14 = 1,350.78 : x
  2. Step 2: Convert to fraction form
    4,428.78/6,643.14 = 1,350.78/x
  3. Step 3: Cross multiply
    4,428.78x = 6,643.14 × 1,350.78
  4. Step 4: Simplify right side
    4,428.78x = 8,973,420.65
  5. Step 5: Solve for x
    x = 8,973,420.65/4,428.78
  6. Step 6: Final answer
    x = 2,026.16

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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.