Home / 8,204.60-12,242.87-7,321.01

Finding the Fourth Proportional to 8,204.60, 12,242.87 and 7,321.01

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Solution

The fourth proportional to 8,204.60, 12,242.87 and 7,321.01 is: 10,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.60 : 12,242.87 = 7,321.01 : x
  2. Step 2: Convert to fraction form
    8,204.60/12,242.87 = 7,321.01/x
  3. Step 3: Cross multiply
    8,204.60x = 12,242.87 × 7,321.01
  4. Step 4: Simplify right side
    8,204.60x = 89,630,173.70
  5. Step 5: Solve for x
    x = 89,630,173.70/8,204.60
  6. Step 6: Final answer
    x = 10,924.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.