Home / 8,840.90-12,200.16-4,861.62

Finding the Fourth Proportional to 8,840.90, 12,200.16 and 4,861.62

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Solution

The fourth proportional to 8,840.90, 12,200.16 and 4,861.62 is: 6,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.90 : 12,200.16 = 4,861.62 : x
  2. Step 2: Convert to fraction form
    8,840.90/12,200.16 = 4,861.62/x
  3. Step 3: Cross multiply
    8,840.90x = 12,200.16 × 4,861.62
  4. Step 4: Simplify right side
    8,840.90x = 59,312,511.36
  5. Step 5: Solve for x
    x = 59,312,511.36/8,840.90
  6. Step 6: Final answer
    x = 6,708.88

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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.