Home / 8,673.06-13,010.20-3,478.94

Finding the Fourth Proportional to 8,673.06, 13,010.20 and 3,478.94

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Solution

The fourth proportional to 8,673.06, 13,010.20 and 3,478.94 is: 5,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.06 : 13,010.20 = 3,478.94 : x
  2. Step 2: Convert to fraction form
    8,673.06/13,010.20 = 3,478.94/x
  3. Step 3: Cross multiply
    8,673.06x = 13,010.20 × 3,478.94
  4. Step 4: Simplify right side
    8,673.06x = 45,261,705.19
  5. Step 5: Solve for x
    x = 45,261,705.19/8,673.06
  6. Step 6: Final answer
    x = 5,218.65

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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.