Home / 8,285.26-11,437.89-6,392.60

Finding the Fourth Proportional to 8,285.26, 11,437.89 and 6,392.60

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Solution

The fourth proportional to 8,285.26, 11,437.89 and 6,392.60 is: 8,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.26 : 11,437.89 = 6,392.60 : x
  2. Step 2: Convert to fraction form
    8,285.26/11,437.89 = 6,392.60/x
  3. Step 3: Cross multiply
    8,285.26x = 11,437.89 × 6,392.60
  4. Step 4: Simplify right side
    8,285.26x = 73,117,855.61
  5. Step 5: Solve for x
    x = 73,117,855.61/8,285.26
  6. Step 6: Final answer
    x = 8,825.05

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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.