Home / 8,878.98-13,315.01-3,329.30

Finding the Fourth Proportional to 8,878.98, 13,315.01 and 3,329.30

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Solution

The fourth proportional to 8,878.98, 13,315.01 and 3,329.30 is: 4,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.98 : 13,315.01 = 3,329.30 : x
  2. Step 2: Convert to fraction form
    8,878.98/13,315.01 = 3,329.30/x
  3. Step 3: Cross multiply
    8,878.98x = 13,315.01 × 3,329.30
  4. Step 4: Simplify right side
    8,878.98x = 44,329,662.79
  5. Step 5: Solve for x
    x = 44,329,662.79/8,878.98
  6. Step 6: Final answer
    x = 4,992.65

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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.