Home / 7,443.85-11,167.50-3,285.04

Finding the Fourth Proportional to 7,443.85, 11,167.50 and 3,285.04

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Solution

The fourth proportional to 7,443.85, 11,167.50 and 3,285.04 is: 4,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.85 : 11,167.50 = 3,285.04 : x
  2. Step 2: Convert to fraction form
    7,443.85/11,167.50 = 3,285.04/x
  3. Step 3: Cross multiply
    7,443.85x = 11,167.50 × 3,285.04
  4. Step 4: Simplify right side
    7,443.85x = 36,685,684.20
  5. Step 5: Solve for x
    x = 36,685,684.20/7,443.85
  6. Step 6: Final answer
    x = 4,928.32

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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.