Home / 5,097.20-7,645.56-3,866.84

Finding the Fourth Proportional to 5,097.20, 7,645.56 and 3,866.84

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Solution

The fourth proportional to 5,097.20, 7,645.56 and 3,866.84 is: 5,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.20 : 7,645.56 = 3,866.84 : x
  2. Step 2: Convert to fraction form
    5,097.20/7,645.56 = 3,866.84/x
  3. Step 3: Cross multiply
    5,097.20x = 7,645.56 × 3,866.84
  4. Step 4: Simplify right side
    5,097.20x = 29,564,157.23
  5. Step 5: Solve for x
    x = 29,564,157.23/5,097.20
  6. Step 6: Final answer
    x = 5,800.08

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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.