Home / 8,427.75-11,630.66-4,701.75

Finding the Fourth Proportional to 8,427.75, 11,630.66 and 4,701.75

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Solution

The fourth proportional to 8,427.75, 11,630.66 and 4,701.75 is: 6,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.75 : 11,630.66 = 4,701.75 : x
  2. Step 2: Convert to fraction form
    8,427.75/11,630.66 = 4,701.75/x
  3. Step 3: Cross multiply
    8,427.75x = 11,630.66 × 4,701.75
  4. Step 4: Simplify right side
    8,427.75x = 54,684,455.66
  5. Step 5: Solve for x
    x = 54,684,455.66/8,427.75
  6. Step 6: Final answer
    x = 6,488.62

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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.