Home / 7,977.24-11,009.16-4,440.96

Finding the Fourth Proportional to 7,977.24, 11,009.16 and 4,440.96

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Solution

The fourth proportional to 7,977.24, 11,009.16 and 4,440.96 is: 6,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.24 : 11,009.16 = 4,440.96 : x
  2. Step 2: Convert to fraction form
    7,977.24/11,009.16 = 4,440.96/x
  3. Step 3: Cross multiply
    7,977.24x = 11,009.16 × 4,440.96
  4. Step 4: Simplify right side
    7,977.24x = 48,891,239.19
  5. Step 5: Solve for x
    x = 48,891,239.19/7,977.24
  6. Step 6: Final answer
    x = 6,128.84

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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.