Home / 6,271.68-9,399.36-2,977.92

Finding the Fourth Proportional to 6,271.68, 9,399.36 and 2,977.92

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Solution

The fourth proportional to 6,271.68, 9,399.36 and 2,977.92 is: 4,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.68 : 9,399.36 = 2,977.92 : x
  2. Step 2: Convert to fraction form
    6,271.68/9,399.36 = 2,977.92/x
  3. Step 3: Cross multiply
    6,271.68x = 9,399.36 × 2,977.92
  4. Step 4: Simplify right side
    6,271.68x = 27,990,542.13
  5. Step 5: Solve for x
    x = 27,990,542.13/6,271.68
  6. Step 6: Final answer
    x = 4,463.01

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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.