Home / 4,377.00-6,561.78-1,909.98

Finding the Fourth Proportional to 4,377.00, 6,561.78 and 1,909.98

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Solution

The fourth proportional to 4,377.00, 6,561.78 and 1,909.98 is: 2,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.00 : 6,561.78 = 1,909.98 : x
  2. Step 2: Convert to fraction form
    4,377.00/6,561.78 = 1,909.98/x
  3. Step 3: Cross multiply
    4,377.00x = 6,561.78 × 1,909.98
  4. Step 4: Simplify right side
    4,377.00x = 12,532,861.40
  5. Step 5: Solve for x
    x = 12,532,861.40/4,377.00
  6. Step 6: Final answer
    x = 2,863.34

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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.