Home / 5,266.70-7,897.85-2,144.58

Finding the Fourth Proportional to 5,266.70, 7,897.85 and 2,144.58

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Solution

The fourth proportional to 5,266.70, 7,897.85 and 2,144.58 is: 3,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.70 : 7,897.85 = 2,144.58 : x
  2. Step 2: Convert to fraction form
    5,266.70/7,897.85 = 2,144.58/x
  3. Step 3: Cross multiply
    5,266.70x = 7,897.85 × 2,144.58
  4. Step 4: Simplify right side
    5,266.70x = 16,937,532.82
  5. Step 5: Solve for x
    x = 16,937,532.82/5,266.70
  6. Step 6: Final answer
    x = 3,215.97

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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.