Home / 4,211.70-6,317.04-1,438.66

Finding the Fourth Proportional to 4,211.70, 6,317.04 and 1,438.66

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Solution

The fourth proportional to 4,211.70, 6,317.04 and 1,438.66 is: 2,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.70 : 6,317.04 = 1,438.66 : x
  2. Step 2: Convert to fraction form
    4,211.70/6,317.04 = 1,438.66/x
  3. Step 3: Cross multiply
    4,211.70x = 6,317.04 × 1,438.66
  4. Step 4: Simplify right side
    4,211.70x = 9,088,077.97
  5. Step 5: Solve for x
    x = 9,088,077.97/4,211.70
  6. Step 6: Final answer
    x = 2,157.82

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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.