Home / 4,289.28-6,434.64-2,098.14

Finding the Fourth Proportional to 4,289.28, 6,434.64 and 2,098.14

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Solution

The fourth proportional to 4,289.28, 6,434.64 and 2,098.14 is: 3,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.28 : 6,434.64 = 2,098.14 : x
  2. Step 2: Convert to fraction form
    4,289.28/6,434.64 = 2,098.14/x
  3. Step 3: Cross multiply
    4,289.28x = 6,434.64 × 2,098.14
  4. Step 4: Simplify right side
    4,289.28x = 13,500,775.57
  5. Step 5: Solve for x
    x = 13,500,775.57/4,289.28
  6. Step 6: Final answer
    x = 3,147.56

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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.