Home / 7,136.55-9,848.24-3,949.98

Finding the Fourth Proportional to 7,136.55, 9,848.24 and 3,949.98

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Solution

The fourth proportional to 7,136.55, 9,848.24 and 3,949.98 is: 5,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.55 : 9,848.24 = 3,949.98 : x
  2. Step 2: Convert to fraction form
    7,136.55/9,848.24 = 3,949.98/x
  3. Step 3: Cross multiply
    7,136.55x = 9,848.24 × 3,949.98
  4. Step 4: Simplify right side
    7,136.55x = 38,900,298.06
  5. Step 5: Solve for x
    x = 38,900,298.06/7,136.55
  6. Step 6: Final answer
    x = 5,450.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.