Home / 6,590.13-9,883.71-1,909.08

Finding the Fourth Proportional to 6,590.13, 9,883.71 and 1,909.08

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Solution

The fourth proportional to 6,590.13, 9,883.71 and 1,909.08 is: 2,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.13 : 9,883.71 = 1,909.08 : x
  2. Step 2: Convert to fraction form
    6,590.13/9,883.71 = 1,909.08/x
  3. Step 3: Cross multiply
    6,590.13x = 9,883.71 × 1,909.08
  4. Step 4: Simplify right side
    6,590.13x = 18,868,793.09
  5. Step 5: Solve for x
    x = 18,868,793.09/6,590.13
  6. Step 6: Final answer
    x = 2,863.19

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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.