Home / 7,977.67-11,009.55-4,441.11

Finding the Fourth Proportional to 7,977.67, 11,009.55 and 4,441.11

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Solution

The fourth proportional to 7,977.67, 11,009.55 and 4,441.11 is: 6,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.67 : 11,009.55 = 4,441.11 : x
  2. Step 2: Convert to fraction form
    7,977.67/11,009.55 = 4,441.11/x
  3. Step 3: Cross multiply
    7,977.67x = 11,009.55 × 4,441.11
  4. Step 4: Simplify right side
    7,977.67x = 48,894,622.60
  5. Step 5: Solve for x
    x = 48,894,622.60/7,977.67
  6. Step 6: Final answer
    x = 6,128.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.