Home / 6,872.36-10,308.53-3,948.80

Finding the Fourth Proportional to 6,872.36, 10,308.53 and 3,948.80

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Solution

The fourth proportional to 6,872.36, 10,308.53 and 3,948.80 is: 5,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.36 : 10,308.53 = 3,948.80 : x
  2. Step 2: Convert to fraction form
    6,872.36/10,308.53 = 3,948.80/x
  3. Step 3: Cross multiply
    6,872.36x = 10,308.53 × 3,948.80
  4. Step 4: Simplify right side
    6,872.36x = 40,706,281.59
  5. Step 5: Solve for x
    x = 40,706,281.59/6,872.36
  6. Step 6: Final answer
    x = 5,923.19

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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.