Home / 9,639.66-13,302.84-5,662.02

Finding the Fourth Proportional to 9,639.66, 13,302.84 and 5,662.02

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Solution

The fourth proportional to 9,639.66, 13,302.84 and 5,662.02 is: 7,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.66 : 13,302.84 = 5,662.02 : x
  2. Step 2: Convert to fraction form
    9,639.66/13,302.84 = 5,662.02/x
  3. Step 3: Cross multiply
    9,639.66x = 13,302.84 × 5,662.02
  4. Step 4: Simplify right side
    9,639.66x = 75,320,946.14
  5. Step 5: Solve for x
    x = 75,320,946.14/9,639.66
  6. Step 6: Final answer
    x = 7,813.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.