Home / 6,590.85-9,884.72-1,909.62

Finding the Fourth Proportional to 6,590.85, 9,884.72 and 1,909.62

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Solution

The fourth proportional to 6,590.85, 9,884.72 and 1,909.62 is: 2,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.85 : 9,884.72 = 1,909.62 : x
  2. Step 2: Convert to fraction form
    6,590.85/9,884.72 = 1,909.62/x
  3. Step 3: Cross multiply
    6,590.85x = 9,884.72 × 1,909.62
  4. Step 4: Simplify right side
    6,590.85x = 18,876,049.46
  5. Step 5: Solve for x
    x = 18,876,049.46/6,590.85
  6. Step 6: Final answer
    x = 2,863.98

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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.