Home / 4,327.81-6,490.79-1,366.49

Finding the Fourth Proportional to 4,327.81, 6,490.79 and 1,366.49

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Solution

The fourth proportional to 4,327.81, 6,490.79 and 1,366.49 is: 2,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.81 : 6,490.79 = 1,366.49 : x
  2. Step 2: Convert to fraction form
    4,327.81/6,490.79 = 1,366.49/x
  3. Step 3: Cross multiply
    4,327.81x = 6,490.79 × 1,366.49
  4. Step 4: Simplify right side
    4,327.81x = 8,869,575.71
  5. Step 5: Solve for x
    x = 8,869,575.71/4,327.81
  6. Step 6: Final answer
    x = 2,049.44

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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.