Home / 8,860.89-13,282.82-3,312.69

Finding the Fourth Proportional to 8,860.89, 13,282.82 and 3,312.69

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Solution

The fourth proportional to 8,860.89, 13,282.82 and 3,312.69 is: 4,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.89 : 13,282.82 = 3,312.69 : x
  2. Step 2: Convert to fraction form
    8,860.89/13,282.82 = 3,312.69/x
  3. Step 3: Cross multiply
    8,860.89x = 13,282.82 × 3,312.69
  4. Step 4: Simplify right side
    8,860.89x = 44,001,848.42
  5. Step 5: Solve for x
    x = 44,001,848.42/8,860.89
  6. Step 6: Final answer
    x = 4,965.85

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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.