Home / 5,390.11-8,069.55-3,303.82

Finding the Fourth Proportional to 5,390.11, 8,069.55 and 3,303.82

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Solution

The fourth proportional to 5,390.11, 8,069.55 and 3,303.82 is: 4,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.11 : 8,069.55 = 3,303.82 : x
  2. Step 2: Convert to fraction form
    5,390.11/8,069.55 = 3,303.82/x
  3. Step 3: Cross multiply
    5,390.11x = 8,069.55 × 3,303.82
  4. Step 4: Simplify right side
    5,390.11x = 26,660,340.68
  5. Step 5: Solve for x
    x = 26,660,340.68/5,390.11
  6. Step 6: Final answer
    x = 4,946.16

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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.