Home / 8,043.36-11,108.52-7,751.76

Finding the Fourth Proportional to 8,043.36, 11,108.52 and 7,751.76

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Solution

The fourth proportional to 8,043.36, 11,108.52 and 7,751.76 is: 10,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.36 : 11,108.52 = 7,751.76 : x
  2. Step 2: Convert to fraction form
    8,043.36/11,108.52 = 7,751.76/x
  3. Step 3: Cross multiply
    8,043.36x = 11,108.52 × 7,751.76
  4. Step 4: Simplify right side
    8,043.36x = 86,110,581.00
  5. Step 5: Solve for x
    x = 86,110,581.00/8,043.36
  6. Step 6: Final answer
    x = 10,705.80

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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.