Home / 7,724.89-10,660.21-4,367.57

Finding the Fourth Proportional to 7,724.89, 10,660.21 and 4,367.57

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Solution

The fourth proportional to 7,724.89, 10,660.21 and 4,367.57 is: 6,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.89 : 10,660.21 = 4,367.57 : x
  2. Step 2: Convert to fraction form
    7,724.89/10,660.21 = 4,367.57/x
  3. Step 3: Cross multiply
    7,724.89x = 10,660.21 × 4,367.57
  4. Step 4: Simplify right side
    7,724.89x = 46,559,213.39
  5. Step 5: Solve for x
    x = 46,559,213.39/7,724.89
  6. Step 6: Final answer
    x = 6,027.17

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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.