Home / 6,178.88-9,271.87-2,620.76

Finding the Fourth Proportional to 6,178.88, 9,271.87 and 2,620.76

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Solution

The fourth proportional to 6,178.88, 9,271.87 and 2,620.76 is: 3,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178.88 : 9,271.87 = 2,620.76 : x
  2. Step 2: Convert to fraction form
    6,178.88/9,271.87 = 2,620.76/x
  3. Step 3: Cross multiply
    6,178.88x = 9,271.87 × 2,620.76
  4. Step 4: Simplify right side
    6,178.88x = 24,299,293.11
  5. Step 5: Solve for x
    x = 24,299,293.11/6,178.88
  6. Step 6: Final answer
    x = 3,932.64

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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.