Home / 4,411.26-6,617.70-1,812.78

Finding the Fourth Proportional to 4,411.26, 6,617.70 and 1,812.78

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Solution

The fourth proportional to 4,411.26, 6,617.70 and 1,812.78 is: 2,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.26 : 6,617.70 = 1,812.78 : x
  2. Step 2: Convert to fraction form
    4,411.26/6,617.70 = 1,812.78/x
  3. Step 3: Cross multiply
    4,411.26x = 6,617.70 × 1,812.78
  4. Step 4: Simplify right side
    4,411.26x = 11,996,434.21
  5. Step 5: Solve for x
    x = 11,996,434.21/4,411.26
  6. Step 6: Final answer
    x = 2,719.50

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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.