Home / 4,505.34-6,723.84-4,388.70

Finding the Fourth Proportional to 4,505.34, 6,723.84 and 4,388.70

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Solution

The fourth proportional to 4,505.34, 6,723.84 and 4,388.70 is: 6,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.34 : 6,723.84 = 4,388.70 : x
  2. Step 2: Convert to fraction form
    4,505.34/6,723.84 = 4,388.70/x
  3. Step 3: Cross multiply
    4,505.34x = 6,723.84 × 4,388.70
  4. Step 4: Simplify right side
    4,505.34x = 29,508,894.66
  5. Step 5: Solve for x
    x = 29,508,894.66/4,505.34
  6. Step 6: Final answer
    x = 6,549.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.