Home / 4,518.67-6,776.85-1,397.85

Finding the Fourth Proportional to 4,518.67, 6,776.85 and 1,397.85

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Solution

The fourth proportional to 4,518.67, 6,776.85 and 1,397.85 is: 2,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.67 : 6,776.85 = 1,397.85 : x
  2. Step 2: Convert to fraction form
    4,518.67/6,776.85 = 1,397.85/x
  3. Step 3: Cross multiply
    4,518.67x = 6,776.85 × 1,397.85
  4. Step 4: Simplify right side
    4,518.67x = 9,473,019.77
  5. Step 5: Solve for x
    x = 9,473,019.77/4,518.67
  6. Step 6: Final answer
    x = 2,096.42

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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.