Home / 5,440.61-8,159.70-2,154.44

Finding the Fourth Proportional to 5,440.61, 8,159.70 and 2,154.44

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Solution

The fourth proportional to 5,440.61, 8,159.70 and 2,154.44 is: 3,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.61 : 8,159.70 = 2,154.44 : x
  2. Step 2: Convert to fraction form
    5,440.61/8,159.70 = 2,154.44/x
  3. Step 3: Cross multiply
    5,440.61x = 8,159.70 × 2,154.44
  4. Step 4: Simplify right side
    5,440.61x = 17,579,584.07
  5. Step 5: Solve for x
    x = 17,579,584.07/5,440.61
  6. Step 6: Final answer
    x = 3,231.18

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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.