Home / 7,220.66-9,960.71-4,858.70

Finding the Fourth Proportional to 7,220.66, 9,960.71 and 4,858.70

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Solution

The fourth proportional to 7,220.66, 9,960.71 and 4,858.70 is: 6,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.66 : 9,960.71 = 4,858.70 : x
  2. Step 2: Convert to fraction form
    7,220.66/9,960.71 = 4,858.70/x
  3. Step 3: Cross multiply
    7,220.66x = 9,960.71 × 4,858.70
  4. Step 4: Simplify right side
    7,220.66x = 48,396,027.58
  5. Step 5: Solve for x
    x = 48,396,027.58/7,220.66
  6. Step 6: Final answer
    x = 6,702.44

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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.