Home / 5,338.85-8,009.18-2,378.36

Finding the Fourth Proportional to 5,338.85, 8,009.18 and 2,378.36

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Solution

The fourth proportional to 5,338.85, 8,009.18 and 2,378.36 is: 3,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.85 : 8,009.18 = 2,378.36 : x
  2. Step 2: Convert to fraction form
    5,338.85/8,009.18 = 2,378.36/x
  3. Step 3: Cross multiply
    5,338.85x = 8,009.18 × 2,378.36
  4. Step 4: Simplify right side
    5,338.85x = 19,048,730.39
  5. Step 5: Solve for x
    x = 19,048,730.39/5,338.85
  6. Step 6: Final answer
    x = 3,567.95

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1.5x scale

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.