Home / 7,136.80-9,848.58-3,950.23

Finding the Fourth Proportional to 7,136.80, 9,848.58 and 3,950.23

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Solution

The fourth proportional to 7,136.80, 9,848.58 and 3,950.23 is: 5,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.80 : 9,848.58 = 3,950.23 : x
  2. Step 2: Convert to fraction form
    7,136.80/9,848.58 = 3,950.23/x
  3. Step 3: Cross multiply
    7,136.80x = 9,848.58 × 3,950.23
  4. Step 4: Simplify right side
    7,136.80x = 38,904,131.55
  5. Step 5: Solve for x
    x = 38,904,131.55/7,136.80
  6. Step 6: Final answer
    x = 5,451.20

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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.