Home / 8,222.34-11,346.80-4,685.61

Finding the Fourth Proportional to 8,222.34, 11,346.80 and 4,685.61

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Solution

The fourth proportional to 8,222.34, 11,346.80 and 4,685.61 is: 6,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.34 : 11,346.80 = 4,685.61 : x
  2. Step 2: Convert to fraction form
    8,222.34/11,346.80 = 4,685.61/x
  3. Step 3: Cross multiply
    8,222.34x = 11,346.80 × 4,685.61
  4. Step 4: Simplify right side
    8,222.34x = 53,166,679.55
  5. Step 5: Solve for x
    x = 53,166,679.55/8,222.34
  6. Step 6: Final answer
    x = 6,466.13

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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.