Home / 7,338.42-11,004.32-4,378.23

Finding the Fourth Proportional to 7,338.42, 11,004.32 and 4,378.23

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Solution

The fourth proportional to 7,338.42, 11,004.32 and 4,378.23 is: 6,565.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.42 : 11,004.32 = 4,378.23 : x
  2. Step 2: Convert to fraction form
    7,338.42/11,004.32 = 4,378.23/x
  3. Step 3: Cross multiply
    7,338.42x = 11,004.32 × 4,378.23
  4. Step 4: Simplify right side
    7,338.42x = 48,179,454.90
  5. Step 5: Solve for x
    x = 48,179,454.90/7,338.42
  6. Step 6: Final answer
    x = 6,565.37

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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.