Home / 4,455.38-6,681.24-1,680.62

Finding the Fourth Proportional to 4,455.38, 6,681.24 and 1,680.62

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Solution

The fourth proportional to 4,455.38, 6,681.24 and 1,680.62 is: 2,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.38 : 6,681.24 = 1,680.62 : x
  2. Step 2: Convert to fraction form
    4,455.38/6,681.24 = 1,680.62/x
  3. Step 3: Cross multiply
    4,455.38x = 6,681.24 × 1,680.62
  4. Step 4: Simplify right side
    4,455.38x = 11,228,625.57
  5. Step 5: Solve for x
    x = 11,228,625.57/4,455.38
  6. Step 6: Final answer
    x = 2,520.24

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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.