Home / 8,810.06-13,219.40-3,879.08

Finding the Fourth Proportional to 8,810.06, 13,219.40 and 3,879.08

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Solution

The fourth proportional to 8,810.06, 13,219.40 and 3,879.08 is: 5,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.06 : 13,219.40 = 3,879.08 : x
  2. Step 2: Convert to fraction form
    8,810.06/13,219.40 = 3,879.08/x
  3. Step 3: Cross multiply
    8,810.06x = 13,219.40 × 3,879.08
  4. Step 4: Simplify right side
    8,810.06x = 51,279,110.15
  5. Step 5: Solve for x
    x = 51,279,110.15/8,810.06
  6. Step 6: Final answer
    x = 5,820.52

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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.