Home / 5,097.28-7,646.34-1,399.84

Finding the Fourth Proportional to 5,097.28, 7,646.34 and 1,399.84

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Solution

The fourth proportional to 5,097.28, 7,646.34 and 1,399.84 is: 2,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.28 : 7,646.34 = 1,399.84 : x
  2. Step 2: Convert to fraction form
    5,097.28/7,646.34 = 1,399.84/x
  3. Step 3: Cross multiply
    5,097.28x = 7,646.34 × 1,399.84
  4. Step 4: Simplify right side
    5,097.28x = 10,703,652.59
  5. Step 5: Solve for x
    x = 10,703,652.59/5,097.28
  6. Step 6: Final answer
    x = 2,099.88

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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.