Home / 7,150.84-10,727.80-3,641.36

Finding the Fourth Proportional to 7,150.84, 10,727.80 and 3,641.36

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Solution

The fourth proportional to 7,150.84, 10,727.80 and 3,641.36 is: 5,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.84 : 10,727.80 = 3,641.36 : x
  2. Step 2: Convert to fraction form
    7,150.84/10,727.80 = 3,641.36/x
  3. Step 3: Cross multiply
    7,150.84x = 10,727.80 × 3,641.36
  4. Step 4: Simplify right side
    7,150.84x = 39,063,781.81
  5. Step 5: Solve for x
    x = 39,063,781.81/7,150.84
  6. Step 6: Final answer
    x = 5,462.82

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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.