Home / 5,775.09-8,663.84-1,879.19

Finding the Fourth Proportional to 5,775.09, 8,663.84 and 1,879.19

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Solution

The fourth proportional to 5,775.09, 8,663.84 and 1,879.19 is: 2,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.09 : 8,663.84 = 1,879.19 : x
  2. Step 2: Convert to fraction form
    5,775.09/8,663.84 = 1,879.19/x
  3. Step 3: Cross multiply
    5,775.09x = 8,663.84 × 1,879.19
  4. Step 4: Simplify right side
    5,775.09x = 16,281,001.49
  5. Step 5: Solve for x
    x = 16,281,001.49/5,775.09
  6. Step 6: Final answer
    x = 2,819.18

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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.