Home / 4,486.64-6,729.96-3,580.40

Finding the Fourth Proportional to 4,486.64, 6,729.96 and 3,580.40

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Solution

The fourth proportional to 4,486.64, 6,729.96 and 3,580.40 is: 5,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.64 : 6,729.96 = 3,580.40 : x
  2. Step 2: Convert to fraction form
    4,486.64/6,729.96 = 3,580.40/x
  3. Step 3: Cross multiply
    4,486.64x = 6,729.96 × 3,580.40
  4. Step 4: Simplify right side
    4,486.64x = 24,095,948.78
  5. Step 5: Solve for x
    x = 24,095,948.78/4,486.64
  6. Step 6: Final answer
    x = 5,370.60

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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.