Home / 7,677.22-11,497.38-4,380.32

Finding the Fourth Proportional to 7,677.22, 11,497.38 and 4,380.32

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Solution

The fourth proportional to 7,677.22, 11,497.38 and 4,380.32 is: 6,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.22 : 11,497.38 = 4,380.32 : x
  2. Step 2: Convert to fraction form
    7,677.22/11,497.38 = 4,380.32/x
  3. Step 3: Cross multiply
    7,677.22x = 11,497.38 × 4,380.32
  4. Step 4: Simplify right side
    7,677.22x = 50,362,210.75
  5. Step 5: Solve for x
    x = 50,362,210.75/7,677.22
  6. Step 6: Final answer
    x = 6,559.95

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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.