Home / 5,530.90-8,285.75-4,354.70

Finding the Fourth Proportional to 5,530.90, 8,285.75 and 4,354.70

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Solution

The fourth proportional to 5,530.90, 8,285.75 and 4,354.70 is: 6,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.90 : 8,285.75 = 4,354.70 : x
  2. Step 2: Convert to fraction form
    5,530.90/8,285.75 = 4,354.70/x
  3. Step 3: Cross multiply
    5,530.90x = 8,285.75 × 4,354.70
  4. Step 4: Simplify right side
    5,530.90x = 36,081,987.13
  5. Step 5: Solve for x
    x = 36,081,987.13/5,530.90
  6. Step 6: Final answer
    x = 6,523.71

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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.