Home / 7,727.84-10,664.34-4,191.02

Finding the Fourth Proportional to 7,727.84, 10,664.34 and 4,191.02

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Solution

The fourth proportional to 7,727.84, 10,664.34 and 4,191.02 is: 5,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.84 : 10,664.34 = 4,191.02 : x
  2. Step 2: Convert to fraction form
    7,727.84/10,664.34 = 4,191.02/x
  3. Step 3: Cross multiply
    7,727.84x = 10,664.34 × 4,191.02
  4. Step 4: Simplify right side
    7,727.84x = 44,694,462.23
  5. Step 5: Solve for x
    x = 44,694,462.23/7,727.84
  6. Step 6: Final answer
    x = 5,783.56

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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.