Home / 7,727.84-10,664.48-4,540.28

Finding the Fourth Proportional to 7,727.84, 10,664.48 and 4,540.28

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Solution

The fourth proportional to 7,727.84, 10,664.48 and 4,540.28 is: 6,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.84 : 10,664.48 = 4,540.28 : x
  2. Step 2: Convert to fraction form
    7,727.84/10,664.48 = 4,540.28/x
  3. Step 3: Cross multiply
    7,727.84x = 10,664.48 × 4,540.28
  4. Step 4: Simplify right side
    7,727.84x = 48,419,649.23
  5. Step 5: Solve for x
    x = 48,419,649.23/7,727.84
  6. Step 6: Final answer
    x = 6,265.62

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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.