Home / 6,663.12-9,994.62-2,280.60

Finding the Fourth Proportional to 6,663.12, 9,994.62 and 2,280.60

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Solution

The fourth proportional to 6,663.12, 9,994.62 and 2,280.60 is: 3,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.12 : 9,994.62 = 2,280.60 : x
  2. Step 2: Convert to fraction form
    6,663.12/9,994.62 = 2,280.60/x
  3. Step 3: Cross multiply
    6,663.12x = 9,994.62 × 2,280.60
  4. Step 4: Simplify right side
    6,663.12x = 22,793,730.37
  5. Step 5: Solve for x
    x = 22,793,730.37/6,663.12
  6. Step 6: Final answer
    x = 3,420.88

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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.