Home / 8,203.26-11,320.90-4,666.80

Finding the Fourth Proportional to 8,203.26, 11,320.90 and 4,666.80

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Solution

The fourth proportional to 8,203.26, 11,320.90 and 4,666.80 is: 6,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.26 : 11,320.90 = 4,666.80 : x
  2. Step 2: Convert to fraction form
    8,203.26/11,320.90 = 4,666.80/x
  3. Step 3: Cross multiply
    8,203.26x = 11,320.90 × 4,666.80
  4. Step 4: Simplify right side
    8,203.26x = 52,832,376.12
  5. Step 5: Solve for x
    x = 52,832,376.12/8,203.26
  6. Step 6: Final answer
    x = 6,440.41

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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.