Home / 8,285.12-11,432.76-4,881.60

Finding the Fourth Proportional to 8,285.12, 11,432.76 and 4,881.60

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Solution

The fourth proportional to 8,285.12, 11,432.76 and 4,881.60 is: 6,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.12 : 11,432.76 = 4,881.60 : x
  2. Step 2: Convert to fraction form
    8,285.12/11,432.76 = 4,881.60/x
  3. Step 3: Cross multiply
    8,285.12x = 11,432.76 × 4,881.60
  4. Step 4: Simplify right side
    8,285.12x = 55,810,161.22
  5. Step 5: Solve for x
    x = 55,810,161.22/8,285.12
  6. Step 6: Final answer
    x = 6,736.19

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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.