Home / 8,534.80-11,778.48-4,998.28

Finding the Fourth Proportional to 8,534.80, 11,778.48 and 4,998.28

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Solution

The fourth proportional to 8,534.80, 11,778.48 and 4,998.28 is: 6,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.80 : 11,778.48 = 4,998.28 : x
  2. Step 2: Convert to fraction form
    8,534.80/11,778.48 = 4,998.28/x
  3. Step 3: Cross multiply
    8,534.80x = 11,778.48 × 4,998.28
  4. Step 4: Simplify right side
    8,534.80x = 58,872,141.01
  5. Step 5: Solve for x
    x = 58,872,141.01/8,534.80
  6. Step 6: Final answer
    x = 6,897.89

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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.