Home / 8,225.70-11,351.75-4,640.63

Finding the Fourth Proportional to 8,225.70, 11,351.75 and 4,640.63

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Solution

The fourth proportional to 8,225.70, 11,351.75 and 4,640.63 is: 6,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.70 : 11,351.75 = 4,640.63 : x
  2. Step 2: Convert to fraction form
    8,225.70/11,351.75 = 4,640.63/x
  3. Step 3: Cross multiply
    8,225.70x = 11,351.75 × 4,640.63
  4. Step 4: Simplify right side
    8,225.70x = 52,679,191.64
  5. Step 5: Solve for x
    x = 52,679,191.64/8,225.70
  6. Step 6: Final answer
    x = 6,404.22

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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.