Home / 6,601.60-9,903.30-2,219.50

Finding the Fourth Proportional to 6,601.60, 9,903.30 and 2,219.50

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Solution

The fourth proportional to 6,601.60, 9,903.30 and 2,219.50 is: 3,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.60 : 9,903.30 = 2,219.50 : x
  2. Step 2: Convert to fraction form
    6,601.60/9,903.30 = 2,219.50/x
  3. Step 3: Cross multiply
    6,601.60x = 9,903.30 × 2,219.50
  4. Step 4: Simplify right side
    6,601.60x = 21,980,374.35
  5. Step 5: Solve for x
    x = 21,980,374.35/6,601.60
  6. Step 6: Final answer
    x = 3,329.55

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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.