Home / 7,136.93-9,848.75-3,950.35

Finding the Fourth Proportional to 7,136.93, 9,848.75 and 3,950.35

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Solution

The fourth proportional to 7,136.93, 9,848.75 and 3,950.35 is: 5,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.93 : 9,848.75 = 3,950.35 : x
  2. Step 2: Convert to fraction form
    7,136.93/9,848.75 = 3,950.35/x
  3. Step 3: Cross multiply
    7,136.93x = 9,848.75 × 3,950.35
  4. Step 4: Simplify right side
    7,136.93x = 38,906,031.75
  5. Step 5: Solve for x
    x = 38,906,031.75/7,136.93
  6. Step 6: Final answer
    x = 5,451.37

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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.