Home / 4,513.80-6,765.30-2,321.40

Finding the Fourth Proportional to 4,513.80, 6,765.30 and 2,321.40

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Solution

The fourth proportional to 4,513.80, 6,765.30 and 2,321.40 is: 3,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.80 : 6,765.30 = 2,321.40 : x
  2. Step 2: Convert to fraction form
    4,513.80/6,765.30 = 2,321.40/x
  3. Step 3: Cross multiply
    4,513.80x = 6,765.30 × 2,321.40
  4. Step 4: Simplify right side
    4,513.80x = 15,704,967.42
  5. Step 5: Solve for x
    x = 15,704,967.42/4,513.80
  6. Step 6: Final answer
    x = 3,479.32

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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.