Home / 6,664.40-9,994.31-2,280.84

Finding the Fourth Proportional to 6,664.40, 9,994.31 and 2,280.84

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Solution

The fourth proportional to 6,664.40, 9,994.31 and 2,280.84 is: 3,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.40 : 9,994.31 = 2,280.84 : x
  2. Step 2: Convert to fraction form
    6,664.40/9,994.31 = 2,280.84/x
  3. Step 3: Cross multiply
    6,664.40x = 9,994.31 × 2,280.84
  4. Step 4: Simplify right side
    6,664.40x = 22,795,422.02
  5. Step 5: Solve for x
    x = 22,795,422.02/6,664.40
  6. Step 6: Final answer
    x = 3,420.48

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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.