Home / 5,433.78-8,148.78-1,537.14

Finding the Fourth Proportional to 5,433.78, 8,148.78 and 1,537.14

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Solution

The fourth proportional to 5,433.78, 8,148.78 and 1,537.14 is: 2,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.78 : 8,148.78 = 1,537.14 : x
  2. Step 2: Convert to fraction form
    5,433.78/8,148.78 = 1,537.14/x
  3. Step 3: Cross multiply
    5,433.78x = 8,148.78 × 1,537.14
  4. Step 4: Simplify right side
    5,433.78x = 12,525,815.69
  5. Step 5: Solve for x
    x = 12,525,815.69/5,433.78
  6. Step 6: Final answer
    x = 2,305.18

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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.