Home / 5,633.28-8,435.52-3,326.40

Finding the Fourth Proportional to 5,633.28, 8,435.52 and 3,326.40

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Solution

The fourth proportional to 5,633.28, 8,435.52 and 3,326.40 is: 4,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.28 : 8,435.52 = 3,326.40 : x
  2. Step 2: Convert to fraction form
    5,633.28/8,435.52 = 3,326.40/x
  3. Step 3: Cross multiply
    5,633.28x = 8,435.52 × 3,326.40
  4. Step 4: Simplify right side
    5,633.28x = 28,059,913.73
  5. Step 5: Solve for x
    x = 28,059,913.73/5,633.28
  6. Step 6: Final answer
    x = 4,981.10

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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.