Home / 4,521.69-6,781.68-1,401.30

Finding the Fourth Proportional to 4,521.69, 6,781.68 and 1,401.30

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Solution

The fourth proportional to 4,521.69, 6,781.68 and 1,401.30 is: 2,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.69 : 6,781.68 = 1,401.30 : x
  2. Step 2: Convert to fraction form
    4,521.69/6,781.68 = 1,401.30/x
  3. Step 3: Cross multiply
    4,521.69x = 6,781.68 × 1,401.30
  4. Step 4: Simplify right side
    4,521.69x = 9,503,168.18
  5. Step 5: Solve for x
    x = 9,503,168.18/4,521.69
  6. Step 6: Final answer
    x = 2,101.69

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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.