Home / 8,860.59-13,290.48-3,311.82

Finding the Fourth Proportional to 8,860.59, 13,290.48 and 3,311.82

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Solution

The fourth proportional to 8,860.59, 13,290.48 and 3,311.82 is: 4,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.59 : 13,290.48 = 3,311.82 : x
  2. Step 2: Convert to fraction form
    8,860.59/13,290.48 = 3,311.82/x
  3. Step 3: Cross multiply
    8,860.59x = 13,290.48 × 3,311.82
  4. Step 4: Simplify right side
    8,860.59x = 44,015,677.47
  5. Step 5: Solve for x
    x = 44,015,677.47/8,860.59
  6. Step 6: Final answer
    x = 4,967.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.