Home / 4,728.20-6,527.24-2,960.80

Finding the Fourth Proportional to 4,728.20, 6,527.24 and 2,960.80

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Solution

The fourth proportional to 4,728.20, 6,527.24 and 2,960.80 is: 4,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.20 : 6,527.24 = 2,960.80 : x
  2. Step 2: Convert to fraction form
    4,728.20/6,527.24 = 2,960.80/x
  3. Step 3: Cross multiply
    4,728.20x = 6,527.24 × 2,960.80
  4. Step 4: Simplify right side
    4,728.20x = 19,325,852.19
  5. Step 5: Solve for x
    x = 19,325,852.19/4,728.20
  6. Step 6: Final answer
    x = 4,087.36

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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.