Home / 8,084.80-11,155.48-4,897.45

Finding the Fourth Proportional to 8,084.80, 11,155.48 and 4,897.45

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Solution

The fourth proportional to 8,084.80, 11,155.48 and 4,897.45 is: 6,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.80 : 11,155.48 = 4,897.45 : x
  2. Step 2: Convert to fraction form
    8,084.80/11,155.48 = 4,897.45/x
  3. Step 3: Cross multiply
    8,084.80x = 11,155.48 × 4,897.45
  4. Step 4: Simplify right side
    8,084.80x = 54,633,405.53
  5. Step 5: Solve for x
    x = 54,633,405.53/8,084.80
  6. Step 6: Final answer
    x = 6,757.55

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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.