Home / 4,214.97-6,318.07-1,440.72

Finding the Fourth Proportional to 4,214.97, 6,318.07 and 1,440.72

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Solution

The fourth proportional to 4,214.97, 6,318.07 and 1,440.72 is: 2,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.97 : 6,318.07 = 1,440.72 : x
  2. Step 2: Convert to fraction form
    4,214.97/6,318.07 = 1,440.72/x
  3. Step 3: Cross multiply
    4,214.97x = 6,318.07 × 1,440.72
  4. Step 4: Simplify right side
    4,214.97x = 9,102,566.21
  5. Step 5: Solve for x
    x = 9,102,566.21/4,214.97
  6. Step 6: Final answer
    x = 2,159.58

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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.