Home / 6,677.64-9,212.40-4,321.08

Finding the Fourth Proportional to 6,677.64, 9,212.40 and 4,321.08

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Solution

The fourth proportional to 6,677.64, 9,212.40 and 4,321.08 is: 5,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,677.64 : 9,212.40 = 4,321.08 : x
  2. Step 2: Convert to fraction form
    6,677.64/9,212.40 = 4,321.08/x
  3. Step 3: Cross multiply
    6,677.64x = 9,212.40 × 4,321.08
  4. Step 4: Simplify right side
    6,677.64x = 39,807,517.39
  5. Step 5: Solve for x
    x = 39,807,517.39/6,677.64
  6. Step 6: Final answer
    x = 5,961.32

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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.