Home / 5,308.78-7,327.13-3,516.28

Finding the Fourth Proportional to 5,308.78, 7,327.13 and 3,516.28

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Solution

The fourth proportional to 5,308.78, 7,327.13 and 3,516.28 is: 4,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.78 : 7,327.13 = 3,516.28 : x
  2. Step 2: Convert to fraction form
    5,308.78/7,327.13 = 3,516.28/x
  3. Step 3: Cross multiply
    5,308.78x = 7,327.13 × 3,516.28
  4. Step 4: Simplify right side
    5,308.78x = 25,764,186.46
  5. Step 5: Solve for x
    x = 25,764,186.46/5,308.78
  6. Step 6: Final answer
    x = 4,853.13

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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.