Home / 4,327.75-6,491.63-1,207.77

Finding the Fourth Proportional to 4,327.75, 6,491.63 and 1,207.77

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Solution

The fourth proportional to 4,327.75, 6,491.63 and 1,207.77 is: 1,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.75 : 6,491.63 = 1,207.77 : x
  2. Step 2: Convert to fraction form
    4,327.75/6,491.63 = 1,207.77/x
  3. Step 3: Cross multiply
    4,327.75x = 6,491.63 × 1,207.77
  4. Step 4: Simplify right side
    4,327.75x = 7,840,395.97
  5. Step 5: Solve for x
    x = 7,840,395.97/4,327.75
  6. Step 6: Final answer
    x = 1,811.66

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Similar ratio
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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.