Home / 5,465.35-7,540.47-3,228.02

Finding the Fourth Proportional to 5,465.35, 7,540.47 and 3,228.02

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Solution

The fourth proportional to 5,465.35, 7,540.47 and 3,228.02 is: 4,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.35 : 7,540.47 = 3,228.02 : x
  2. Step 2: Convert to fraction form
    5,465.35/7,540.47 = 3,228.02/x
  3. Step 3: Cross multiply
    5,465.35x = 7,540.47 × 3,228.02
  4. Step 4: Simplify right side
    5,465.35x = 24,340,750.27
  5. Step 5: Solve for x
    x = 24,340,750.27/5,465.35
  6. Step 6: Final answer
    x = 4,453.65

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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.