Home / 8,840.81-12,200.40-4,861.95

Finding the Fourth Proportional to 8,840.81, 12,200.40 and 4,861.95

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Solution

The fourth proportional to 8,840.81, 12,200.40 and 4,861.95 is: 6,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.81 : 12,200.40 = 4,861.95 : x
  2. Step 2: Convert to fraction form
    8,840.81/12,200.40 = 4,861.95/x
  3. Step 3: Cross multiply
    8,840.81x = 12,200.40 × 4,861.95
  4. Step 4: Simplify right side
    8,840.81x = 59,317,689.03
  5. Step 5: Solve for x
    x = 59,317,689.03/8,840.81
  6. Step 6: Final answer
    x = 6,709.53

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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.