Home / 9,069.32-13,605.40-2,828.06

Finding the Fourth Proportional to 9,069.32, 13,605.40 and 2,828.06

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Solution

The fourth proportional to 9,069.32, 13,605.40 and 2,828.06 is: 4,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.32 : 13,605.40 = 2,828.06 : x
  2. Step 2: Convert to fraction form
    9,069.32/13,605.40 = 2,828.06/x
  3. Step 3: Cross multiply
    9,069.32x = 13,605.40 × 2,828.06
  4. Step 4: Simplify right side
    9,069.32x = 38,476,887.52
  5. Step 5: Solve for x
    x = 38,476,887.52/9,069.32
  6. Step 6: Final answer
    x = 4,242.53

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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.