Home / 7,977.89-11,009.66-4,441.33

Finding the Fourth Proportional to 7,977.89, 11,009.66 and 4,441.33

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Solution

The fourth proportional to 7,977.89, 11,009.66 and 4,441.33 is: 6,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.89 : 11,009.66 = 4,441.33 : x
  2. Step 2: Convert to fraction form
    7,977.89/11,009.66 = 4,441.33/x
  3. Step 3: Cross multiply
    7,977.89x = 11,009.66 × 4,441.33
  4. Step 4: Simplify right side
    7,977.89x = 48,897,455.99
  5. Step 5: Solve for x
    x = 48,897,455.99/7,977.89
  6. Step 6: Final answer
    x = 6,129.13

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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.