Home / 7,830.41-11,737.71-4,910.76

Finding the Fourth Proportional to 7,830.41, 11,737.71 and 4,910.76

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Solution

The fourth proportional to 7,830.41, 11,737.71 and 4,910.76 is: 7,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.41 : 11,737.71 = 4,910.76 : x
  2. Step 2: Convert to fraction form
    7,830.41/11,737.71 = 4,910.76/x
  3. Step 3: Cross multiply
    7,830.41x = 11,737.71 × 4,910.76
  4. Step 4: Simplify right side
    7,830.41x = 57,641,076.76
  5. Step 5: Solve for x
    x = 57,641,076.76/7,830.41
  6. Step 6: Final answer
    x = 7,361.19

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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.