Home / 9,664.27-13,337.93-5,685.75

Finding the Fourth Proportional to 9,664.27, 13,337.93 and 5,685.75

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Solution

The fourth proportional to 9,664.27, 13,337.93 and 5,685.75 is: 7,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.27 : 13,337.93 = 5,685.75 : x
  2. Step 2: Convert to fraction form
    9,664.27/13,337.93 = 5,685.75/x
  3. Step 3: Cross multiply
    9,664.27x = 13,337.93 × 5,685.75
  4. Step 4: Simplify right side
    9,664.27x = 75,836,135.50
  5. Step 5: Solve for x
    x = 75,836,135.50/9,664.27
  6. Step 6: Final answer
    x = 7,847.06

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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.