Home / 4,223.85-6,334.17-1,690.17

Finding the Fourth Proportional to 4,223.85, 6,334.17 and 1,690.17

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Solution

The fourth proportional to 4,223.85, 6,334.17 and 1,690.17 is: 2,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.85 : 6,334.17 = 1,690.17 : x
  2. Step 2: Convert to fraction form
    4,223.85/6,334.17 = 1,690.17/x
  3. Step 3: Cross multiply
    4,223.85x = 6,334.17 × 1,690.17
  4. Step 4: Simplify right side
    4,223.85x = 10,705,824.11
  5. Step 5: Solve for x
    x = 10,705,824.11/4,223.85
  6. Step 6: Final answer
    x = 2,534.61

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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.