Home / 4,148.67-6,220.85-1,956.81

Finding the Fourth Proportional to 4,148.67, 6,220.85 and 1,956.81

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Solution

The fourth proportional to 4,148.67, 6,220.85 and 1,956.81 is: 2,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.67 : 6,220.85 = 1,956.81 : x
  2. Step 2: Convert to fraction form
    4,148.67/6,220.85 = 1,956.81/x
  3. Step 3: Cross multiply
    4,148.67x = 6,220.85 × 1,956.81
  4. Step 4: Simplify right side
    4,148.67x = 12,173,011.70
  5. Step 5: Solve for x
    x = 12,173,011.70/4,148.67
  6. Step 6: Final answer
    x = 2,934.20

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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.