Home / 8,205.29-11,319.45-4,845.81

Finding the Fourth Proportional to 8,205.29, 11,319.45 and 4,845.81

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Solution

The fourth proportional to 8,205.29, 11,319.45 and 4,845.81 is: 6,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.29 : 11,319.45 = 4,845.81 : x
  2. Step 2: Convert to fraction form
    8,205.29/11,319.45 = 4,845.81/x
  3. Step 3: Cross multiply
    8,205.29x = 11,319.45 × 4,845.81
  4. Step 4: Simplify right side
    8,205.29x = 54,851,904.00
  5. Step 5: Solve for x
    x = 54,851,904.00/8,205.29
  6. Step 6: Final answer
    x = 6,684.94

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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.