Home / 8,479.50-11,701.32-4,702.68

Finding the Fourth Proportional to 8,479.50, 11,701.32 and 4,702.68

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Solution

The fourth proportional to 8,479.50, 11,701.32 and 4,702.68 is: 6,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.50 : 11,701.32 = 4,702.68 : x
  2. Step 2: Convert to fraction form
    8,479.50/11,701.32 = 4,702.68/x
  3. Step 3: Cross multiply
    8,479.50x = 11,701.32 × 4,702.68
  4. Step 4: Simplify right side
    8,479.50x = 55,027,563.54
  5. Step 5: Solve for x
    x = 55,027,563.54/8,479.50
  6. Step 6: Final answer
    x = 6,489.48

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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.