Home / 8,475.78-12,718.53-3,282.06

Finding the Fourth Proportional to 8,475.78, 12,718.53 and 3,282.06

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Solution

The fourth proportional to 8,475.78, 12,718.53 and 3,282.06 is: 4,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.78 : 12,718.53 = 3,282.06 : x
  2. Step 2: Convert to fraction form
    8,475.78/12,718.53 = 3,282.06/x
  3. Step 3: Cross multiply
    8,475.78x = 12,718.53 × 3,282.06
  4. Step 4: Simplify right side
    8,475.78x = 41,742,978.57
  5. Step 5: Solve for x
    x = 41,742,978.57/8,475.78
  6. Step 6: Final answer
    x = 4,924.97

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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.