Home / 4,217.70-6,330.15-1,881.30

Finding the Fourth Proportional to 4,217.70, 6,330.15 and 1,881.30

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Solution

The fourth proportional to 4,217.70, 6,330.15 and 1,881.30 is: 2,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.70 : 6,330.15 = 1,881.30 : x
  2. Step 2: Convert to fraction form
    4,217.70/6,330.15 = 1,881.30/x
  3. Step 3: Cross multiply
    4,217.70x = 6,330.15 × 1,881.30
  4. Step 4: Simplify right side
    4,217.70x = 11,908,911.20
  5. Step 5: Solve for x
    x = 11,908,911.20/4,217.70
  6. Step 6: Final answer
    x = 2,823.56

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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.