Home / 4,360.78-6,541.14-1,282.78

Finding the Fourth Proportional to 4,360.78, 6,541.14 and 1,282.78

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Solution

The fourth proportional to 4,360.78, 6,541.14 and 1,282.78 is: 1,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.78 : 6,541.14 = 1,282.78 : x
  2. Step 2: Convert to fraction form
    4,360.78/6,541.14 = 1,282.78/x
  3. Step 3: Cross multiply
    4,360.78x = 6,541.14 × 1,282.78
  4. Step 4: Simplify right side
    4,360.78x = 8,390,843.57
  5. Step 5: Solve for x
    x = 8,390,843.57/4,360.78
  6. Step 6: Final answer
    x = 1,924.16

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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.