Home / 8,211.26-11,303.61-6,218.66

Finding the Fourth Proportional to 8,211.26, 11,303.61 and 6,218.66

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Solution

The fourth proportional to 8,211.26, 11,303.61 and 6,218.66 is: 8,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.26 : 11,303.61 = 6,218.66 : x
  2. Step 2: Convert to fraction form
    8,211.26/11,303.61 = 6,218.66/x
  3. Step 3: Cross multiply
    8,211.26x = 11,303.61 × 6,218.66
  4. Step 4: Simplify right side
    8,211.26x = 70,293,307.36
  5. Step 5: Solve for x
    x = 70,293,307.36/8,211.26
  6. Step 6: Final answer
    x = 8,560.60

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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.