Home / 4,405.40-6,619.80-2,432.60

Finding the Fourth Proportional to 4,405.40, 6,619.80 and 2,432.60

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Solution

The fourth proportional to 4,405.40, 6,619.80 and 2,432.60 is: 3,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.40 : 6,619.80 = 2,432.60 : x
  2. Step 2: Convert to fraction form
    4,405.40/6,619.80 = 2,432.60/x
  3. Step 3: Cross multiply
    4,405.40x = 6,619.80 × 2,432.60
  4. Step 4: Simplify right side
    4,405.40x = 16,103,325.48
  5. Step 5: Solve for x
    x = 16,103,325.48/4,405.40
  6. Step 6: Final answer
    x = 3,655.36

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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.