Home / 4,211.79-6,317.61-1,440.37

Finding the Fourth Proportional to 4,211.79, 6,317.61 and 1,440.37

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Solution

The fourth proportional to 4,211.79, 6,317.61 and 1,440.37 is: 2,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.79 : 6,317.61 = 1,440.37 : x
  2. Step 2: Convert to fraction form
    4,211.79/6,317.61 = 1,440.37/x
  3. Step 3: Cross multiply
    4,211.79x = 6,317.61 × 1,440.37
  4. Step 4: Simplify right side
    4,211.79x = 9,099,695.92
  5. Step 5: Solve for x
    x = 9,099,695.92/4,211.79
  6. Step 6: Final answer
    x = 2,160.53

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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.