Home / 4,739.16-7,105.56-2,660.64

Finding the Fourth Proportional to 4,739.16, 7,105.56 and 2,660.64

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Solution

The fourth proportional to 4,739.16, 7,105.56 and 2,660.64 is: 3,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.16 : 7,105.56 = 2,660.64 : x
  2. Step 2: Convert to fraction form
    4,739.16/7,105.56 = 2,660.64/x
  3. Step 3: Cross multiply
    4,739.16x = 7,105.56 × 2,660.64
  4. Step 4: Simplify right side
    4,739.16x = 18,905,337.16
  5. Step 5: Solve for x
    x = 18,905,337.16/4,739.16
  6. Step 6: Final answer
    x = 3,989.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.