Home / 7,308.96-10,086.36-4,165.14

Finding the Fourth Proportional to 7,308.96, 10,086.36 and 4,165.14

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Solution

The fourth proportional to 7,308.96, 10,086.36 and 4,165.14 is: 5,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.96 : 10,086.36 = 4,165.14 : x
  2. Step 2: Convert to fraction form
    7,308.96/10,086.36 = 4,165.14/x
  3. Step 3: Cross multiply
    7,308.96x = 10,086.36 × 4,165.14
  4. Step 4: Simplify right side
    7,308.96x = 42,011,101.49
  5. Step 5: Solve for x
    x = 42,011,101.49/7,308.96
  6. Step 6: Final answer
    x = 5,747.89

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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.