Home / 6,680.88-9,218.34-4,322.70

Finding the Fourth Proportional to 6,680.88, 9,218.34 and 4,322.70

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Solution

The fourth proportional to 6,680.88, 9,218.34 and 4,322.70 is: 5,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.88 : 9,218.34 = 4,322.70 : x
  2. Step 2: Convert to fraction form
    6,680.88/9,218.34 = 4,322.70/x
  3. Step 3: Cross multiply
    6,680.88x = 9,218.34 × 4,322.70
  4. Step 4: Simplify right side
    6,680.88x = 39,848,118.32
  5. Step 5: Solve for x
    x = 39,848,118.32/6,680.88
  6. Step 6: Final answer
    x = 5,964.50

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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.