Home / 7,977.96-11,966.94-3,590.29

Finding the Fourth Proportional to 7,977.96, 11,966.94 and 3,590.29

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Solution

The fourth proportional to 7,977.96, 11,966.94 and 3,590.29 is: 5,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.96 : 11,966.94 = 3,590.29 : x
  2. Step 2: Convert to fraction form
    7,977.96/11,966.94 = 3,590.29/x
  3. Step 3: Cross multiply
    7,977.96x = 11,966.94 × 3,590.29
  4. Step 4: Simplify right side
    7,977.96x = 42,964,785.01
  5. Step 5: Solve for x
    x = 42,964,785.01/7,977.96
  6. Step 6: Final answer
    x = 5,385.44

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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.