Home / 4,847.79-7,271.15-1,338.06

Finding the Fourth Proportional to 4,847.79, 7,271.15 and 1,338.06

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Solution

The fourth proportional to 4,847.79, 7,271.15 and 1,338.06 is: 2,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.79 : 7,271.15 = 1,338.06 : x
  2. Step 2: Convert to fraction form
    4,847.79/7,271.15 = 1,338.06/x
  3. Step 3: Cross multiply
    4,847.79x = 7,271.15 × 1,338.06
  4. Step 4: Simplify right side
    4,847.79x = 9,729,228.28
  5. Step 5: Solve for x
    x = 9,729,228.28/4,847.79
  6. Step 6: Final answer
    x = 2,006.94

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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.