Home / 5,633.40-7,774.78-3,275.54

Finding the Fourth Proportional to 5,633.40, 7,774.78 and 3,275.54

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Solution

The fourth proportional to 5,633.40, 7,774.78 and 3,275.54 is: 4,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.40 : 7,774.78 = 3,275.54 : x
  2. Step 2: Convert to fraction form
    5,633.40/7,774.78 = 3,275.54/x
  3. Step 3: Cross multiply
    5,633.40x = 7,774.78 × 3,275.54
  4. Step 4: Simplify right side
    5,633.40x = 25,466,602.88
  5. Step 5: Solve for x
    x = 25,466,602.88/5,633.40
  6. Step 6: Final answer
    x = 4,520.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.