Home / 8,564.36-12,848.78-3,634.20

Finding the Fourth Proportional to 8,564.36, 12,848.78 and 3,634.20

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Solution

The fourth proportional to 8,564.36, 12,848.78 and 3,634.20 is: 5,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.36 : 12,848.78 = 3,634.20 : x
  2. Step 2: Convert to fraction form
    8,564.36/12,848.78 = 3,634.20/x
  3. Step 3: Cross multiply
    8,564.36x = 12,848.78 × 3,634.20
  4. Step 4: Simplify right side
    8,564.36x = 46,695,036.28
  5. Step 5: Solve for x
    x = 46,695,036.28/8,564.36
  6. Step 6: Final answer
    x = 5,452.25

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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.