Home / 5,211.13-7,816.79-1,701.18

Finding the Fourth Proportional to 5,211.13, 7,816.79 and 1,701.18

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Solution

The fourth proportional to 5,211.13, 7,816.79 and 1,701.18 is: 2,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.13 : 7,816.79 = 1,701.18 : x
  2. Step 2: Convert to fraction form
    5,211.13/7,816.79 = 1,701.18/x
  3. Step 3: Cross multiply
    5,211.13x = 7,816.79 × 1,701.18
  4. Step 4: Simplify right side
    5,211.13x = 13,297,766.81
  5. Step 5: Solve for x
    x = 13,297,766.81/5,211.13
  6. Step 6: Final answer
    x = 2,551.80

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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.