Home / 7,308.90-10,086.39-4,165.02

Finding the Fourth Proportional to 7,308.90, 10,086.39 and 4,165.02

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Solution

The fourth proportional to 7,308.90, 10,086.39 and 4,165.02 is: 5,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.90 : 10,086.39 = 4,165.02 : x
  2. Step 2: Convert to fraction form
    7,308.90/10,086.39 = 4,165.02/x
  3. Step 3: Cross multiply
    7,308.90x = 10,086.39 × 4,165.02
  4. Step 4: Simplify right side
    7,308.90x = 42,010,016.08
  5. Step 5: Solve for x
    x = 42,010,016.08/7,308.90
  6. Step 6: Final answer
    x = 5,747.79

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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.