Home / 5,628.21-8,442.68-2,165.46

Finding the Fourth Proportional to 5,628.21, 8,442.68 and 2,165.46

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Solution

The fourth proportional to 5,628.21, 8,442.68 and 2,165.46 is: 3,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.21 : 8,442.68 = 2,165.46 : x
  2. Step 2: Convert to fraction form
    5,628.21/8,442.68 = 2,165.46/x
  3. Step 3: Cross multiply
    5,628.21x = 8,442.68 × 2,165.46
  4. Step 4: Simplify right side
    5,628.21x = 18,282,275.01
  5. Step 5: Solve for x
    x = 18,282,275.01/5,628.21
  6. Step 6: Final answer
    x = 3,248.33

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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.