Home / 8,564.12-12,846.24-2,721.08

Finding the Fourth Proportional to 8,564.12, 12,846.24 and 2,721.08

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Solution

The fourth proportional to 8,564.12, 12,846.24 and 2,721.08 is: 4,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.12 : 12,846.24 = 2,721.08 : x
  2. Step 2: Convert to fraction form
    8,564.12/12,846.24 = 2,721.08/x
  3. Step 3: Cross multiply
    8,564.12x = 12,846.24 × 2,721.08
  4. Step 4: Simplify right side
    8,564.12x = 34,955,646.74
  5. Step 5: Solve for x
    x = 34,955,646.74/8,564.12
  6. Step 6: Final answer
    x = 4,081.64

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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.