Home / 9,135.84-13,695.37-3,291.03

Finding the Fourth Proportional to 9,135.84, 13,695.37 and 3,291.03

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Solution

The fourth proportional to 9,135.84, 13,695.37 and 3,291.03 is: 4,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.84 : 13,695.37 = 3,291.03 : x
  2. Step 2: Convert to fraction form
    9,135.84/13,695.37 = 3,291.03/x
  3. Step 3: Cross multiply
    9,135.84x = 13,695.37 × 3,291.03
  4. Step 4: Simplify right side
    9,135.84x = 45,071,873.53
  5. Step 5: Solve for x
    x = 45,071,873.53/9,135.84
  6. Step 6: Final answer
    x = 4,933.52

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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.