Home / 7,977.12-11,951.85-4,850.62

Finding the Fourth Proportional to 7,977.12, 11,951.85 and 4,850.62

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Solution

The fourth proportional to 7,977.12, 11,951.85 and 4,850.62 is: 7,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.12 : 11,951.85 = 4,850.62 : x
  2. Step 2: Convert to fraction form
    7,977.12/11,951.85 = 4,850.62/x
  3. Step 3: Cross multiply
    7,977.12x = 11,951.85 × 4,850.62
  4. Step 4: Simplify right side
    7,977.12x = 57,973,870.96
  5. Step 5: Solve for x
    x = 57,973,870.96/7,977.12
  6. Step 6: Final answer
    x = 7,267.52

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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.