Home / 8,209.08-11,343.02-6,081.56

Finding the Fourth Proportional to 8,209.08, 11,343.02 and 6,081.56

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Solution

The fourth proportional to 8,209.08, 11,343.02 and 6,081.56 is: 8,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.08 : 11,343.02 = 6,081.56 : x
  2. Step 2: Convert to fraction form
    8,209.08/11,343.02 = 6,081.56/x
  3. Step 3: Cross multiply
    8,209.08x = 11,343.02 × 6,081.56
  4. Step 4: Simplify right side
    8,209.08x = 68,983,256.71
  5. Step 5: Solve for x
    x = 68,983,256.71/8,209.08
  6. Step 6: Final answer
    x = 8,403.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.