Home / 4,772.81-7,163.06-3,291.12

Finding the Fourth Proportional to 4,772.81, 7,163.06 and 3,291.12

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Solution

The fourth proportional to 4,772.81, 7,163.06 and 3,291.12 is: 4,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.81 : 7,163.06 = 3,291.12 : x
  2. Step 2: Convert to fraction form
    4,772.81/7,163.06 = 3,291.12/x
  3. Step 3: Cross multiply
    4,772.81x = 7,163.06 × 3,291.12
  4. Step 4: Simplify right side
    4,772.81x = 23,574,490.03
  5. Step 5: Solve for x
    x = 23,574,490.03/4,772.81
  6. Step 6: Final answer
    x = 4,939.33

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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.