Home / 4,274.18-6,411.48-2,084.78

Finding the Fourth Proportional to 4,274.18, 6,411.48 and 2,084.78

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Solution

The fourth proportional to 4,274.18, 6,411.48 and 2,084.78 is: 3,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.18 : 6,411.48 = 2,084.78 : x
  2. Step 2: Convert to fraction form
    4,274.18/6,411.48 = 2,084.78/x
  3. Step 3: Cross multiply
    4,274.18x = 6,411.48 × 2,084.78
  4. Step 4: Simplify right side
    4,274.18x = 13,366,525.27
  5. Step 5: Solve for x
    x = 13,366,525.27/4,274.18
  6. Step 6: Final answer
    x = 3,127.27

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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.