Home / 6,156.24-9,219.69-3,186.74

Finding the Fourth Proportional to 6,156.24, 9,219.69 and 3,186.74

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Solution

The fourth proportional to 6,156.24, 9,219.69 and 3,186.74 is: 4,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.24 : 9,219.69 = 3,186.74 : x
  2. Step 2: Convert to fraction form
    6,156.24/9,219.69 = 3,186.74/x
  3. Step 3: Cross multiply
    6,156.24x = 9,219.69 × 3,186.74
  4. Step 4: Simplify right side
    6,156.24x = 29,380,708.81
  5. Step 5: Solve for x
    x = 29,380,708.81/6,156.24
  6. Step 6: Final answer
    x = 4,772.51

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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.