Home / 9,069.12-13,605.96-4,391.37

Finding the Fourth Proportional to 9,069.12, 13,605.96 and 4,391.37

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Solution

The fourth proportional to 9,069.12, 13,605.96 and 4,391.37 is: 6,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.12 : 13,605.96 = 4,391.37 : x
  2. Step 2: Convert to fraction form
    9,069.12/13,605.96 = 4,391.37/x
  3. Step 3: Cross multiply
    9,069.12x = 13,605.96 × 4,391.37
  4. Step 4: Simplify right side
    9,069.12x = 59,748,804.57
  5. Step 5: Solve for x
    x = 59,748,804.57/9,069.12
  6. Step 6: Final answer
    x = 6,588.16

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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.