Home / 9,833.31-13,568.45-5,640.75

Finding the Fourth Proportional to 9,833.31, 13,568.45 and 5,640.75

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Solution

The fourth proportional to 9,833.31, 13,568.45 and 5,640.75 is: 7,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,833.31 : 13,568.45 = 5,640.75 : x
  2. Step 2: Convert to fraction form
    9,833.31/13,568.45 = 5,640.75/x
  3. Step 3: Cross multiply
    9,833.31x = 13,568.45 × 5,640.75
  4. Step 4: Simplify right side
    9,833.31x = 76,536,206.13
  5. Step 5: Solve for x
    x = 76,536,206.13/9,833.31
  6. Step 6: Final answer
    x = 7,783.36

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1.5x scale

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.