Home / 7,561.85-11,341.23-2,878.62

Finding the Fourth Proportional to 7,561.85, 11,341.23 and 2,878.62

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Solution

The fourth proportional to 7,561.85, 11,341.23 and 2,878.62 is: 4,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.85 : 11,341.23 = 2,878.62 : x
  2. Step 2: Convert to fraction form
    7,561.85/11,341.23 = 2,878.62/x
  3. Step 3: Cross multiply
    7,561.85x = 11,341.23 × 2,878.62
  4. Step 4: Simplify right side
    7,561.85x = 32,647,091.50
  5. Step 5: Solve for x
    x = 32,647,091.50/7,561.85
  6. Step 6: Final answer
    x = 4,317.34

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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.