Home / 4,231.20-6,347.90-2,477.69

Finding the Fourth Proportional to 4,231.20, 6,347.90 and 2,477.69

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Solution

The fourth proportional to 4,231.20, 6,347.90 and 2,477.69 is: 3,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.20 : 6,347.90 = 2,477.69 : x
  2. Step 2: Convert to fraction form
    4,231.20/6,347.90 = 2,477.69/x
  3. Step 3: Cross multiply
    4,231.20x = 6,347.90 × 2,477.69
  4. Step 4: Simplify right side
    4,231.20x = 15,728,084.22
  5. Step 5: Solve for x
    x = 15,728,084.22/4,231.20
  6. Step 6: Final answer
    x = 3,717.17

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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.