Home / 5,635.32-7,776.18-3,276.87

Finding the Fourth Proportional to 5,635.32, 7,776.18 and 3,276.87

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Solution

The fourth proportional to 5,635.32, 7,776.18 and 3,276.87 is: 4,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.32 : 7,776.18 = 3,276.87 : x
  2. Step 2: Convert to fraction form
    5,635.32/7,776.18 = 3,276.87/x
  3. Step 3: Cross multiply
    5,635.32x = 7,776.18 × 3,276.87
  4. Step 4: Simplify right side
    5,635.32x = 25,481,530.96
  5. Step 5: Solve for x
    x = 25,481,530.96/5,635.32
  6. Step 6: Final answer
    x = 4,521.75

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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.