Home / 8,287.23-11,436.87-4,702.37

Finding the Fourth Proportional to 8,287.23, 11,436.87 and 4,702.37

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Solution

The fourth proportional to 8,287.23, 11,436.87 and 4,702.37 is: 6,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.23 : 11,436.87 = 4,702.37 : x
  2. Step 2: Convert to fraction form
    8,287.23/11,436.87 = 4,702.37/x
  3. Step 3: Cross multiply
    8,287.23x = 11,436.87 × 4,702.37
  4. Step 4: Simplify right side
    8,287.23x = 53,780,337.20
  5. Step 5: Solve for x
    x = 53,780,337.20/8,287.23
  6. Step 6: Final answer
    x = 6,489.54

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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.