Home / 5,267.18-7,900.74-2,147.13

Finding the Fourth Proportional to 5,267.18, 7,900.74 and 2,147.13

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Solution

The fourth proportional to 5,267.18, 7,900.74 and 2,147.13 is: 3,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.18 : 7,900.74 = 2,147.13 : x
  2. Step 2: Convert to fraction form
    5,267.18/7,900.74 = 2,147.13/x
  3. Step 3: Cross multiply
    5,267.18x = 7,900.74 × 2,147.13
  4. Step 4: Simplify right side
    5,267.18x = 16,963,915.88
  5. Step 5: Solve for x
    x = 16,963,915.88/5,267.18
  6. Step 6: Final answer
    x = 3,220.68

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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.