Home / 8,265.39-11,405.02-4,908.35

Finding the Fourth Proportional to 8,265.39, 11,405.02 and 4,908.35

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Solution

The fourth proportional to 8,265.39, 11,405.02 and 4,908.35 is: 6,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.39 : 11,405.02 = 4,908.35 : x
  2. Step 2: Convert to fraction form
    8,265.39/11,405.02 = 4,908.35/x
  3. Step 3: Cross multiply
    8,265.39x = 11,405.02 × 4,908.35
  4. Step 4: Simplify right side
    8,265.39x = 55,979,829.92
  5. Step 5: Solve for x
    x = 55,979,829.92/8,265.39
  6. Step 6: Final answer
    x = 6,772.80

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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.