Home / 4,409.21-6,607.80-2,219.45

Finding the Fourth Proportional to 4,409.21, 6,607.80 and 2,219.45

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Solution

The fourth proportional to 4,409.21, 6,607.80 and 2,219.45 is: 3,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.21 : 6,607.80 = 2,219.45 : x
  2. Step 2: Convert to fraction form
    4,409.21/6,607.80 = 2,219.45/x
  3. Step 3: Cross multiply
    4,409.21x = 6,607.80 × 2,219.45
  4. Step 4: Simplify right side
    4,409.21x = 14,665,648.67
  5. Step 5: Solve for x
    x = 14,665,648.67/4,409.21
  6. Step 6: Final answer
    x = 3,326.14

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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.