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Finding the Fourth Proportional to 9,250.60, 13,865.10 and 4,865.80

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Solution

The fourth proportional to 9,250.60, 13,865.10 and 4,865.80 is: 7,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.60 : 13,865.10 = 4,865.80 : x
  2. Step 2: Convert to fraction form
    9,250.60/13,865.10 = 4,865.80/x
  3. Step 3: Cross multiply
    9,250.60x = 13,865.10 × 4,865.80
  4. Step 4: Simplify right side
    9,250.60x = 67,464,803.58
  5. Step 5: Solve for x
    x = 67,464,803.58/9,250.60
  6. Step 6: Final answer
    x = 7,293.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.