Home / 9,977.40-14,961.53-3,400.91

Finding the Fourth Proportional to 9,977.40, 14,961.53 and 3,400.91

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Solution

The fourth proportional to 9,977.40, 14,961.53 and 3,400.91 is: 5,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.40 : 14,961.53 = 3,400.91 : x
  2. Step 2: Convert to fraction form
    9,977.40/14,961.53 = 3,400.91/x
  3. Step 3: Cross multiply
    9,977.40x = 14,961.53 × 3,400.91
  4. Step 4: Simplify right side
    9,977.40x = 50,882,725.18
  5. Step 5: Solve for x
    x = 50,882,725.18/9,977.40
  6. Step 6: Final answer
    x = 5,099.80

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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.