Home / 5,267.21-7,265.48-3,378.15

Finding the Fourth Proportional to 5,267.21, 7,265.48 and 3,378.15

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Solution

The fourth proportional to 5,267.21, 7,265.48 and 3,378.15 is: 4,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.21 : 7,265.48 = 3,378.15 : x
  2. Step 2: Convert to fraction form
    5,267.21/7,265.48 = 3,378.15/x
  3. Step 3: Cross multiply
    5,267.21x = 7,265.48 × 3,378.15
  4. Step 4: Simplify right side
    5,267.21x = 24,543,864.37
  5. Step 5: Solve for x
    x = 24,543,864.37/5,267.21
  6. Step 6: Final answer
    x = 4,659.75

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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.