Home / 7,727.65-10,664.17-4,190.90

Finding the Fourth Proportional to 7,727.65, 10,664.17 and 4,190.90

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Solution

The fourth proportional to 7,727.65, 10,664.17 and 4,190.90 is: 5,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.65 : 10,664.17 = 4,190.90 : x
  2. Step 2: Convert to fraction form
    7,727.65/10,664.17 = 4,190.90/x
  3. Step 3: Cross multiply
    7,727.65x = 10,664.17 × 4,190.90
  4. Step 4: Simplify right side
    7,727.65x = 44,692,406.25
  5. Step 5: Solve for x
    x = 44,692,406.25/7,727.65
  6. Step 6: Final answer
    x = 5,783.44

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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.