Home / 5,225.70-7,841.60-1,941.06

Finding the Fourth Proportional to 5,225.70, 7,841.60 and 1,941.06

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Solution

The fourth proportional to 5,225.70, 7,841.60 and 1,941.06 is: 2,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.70 : 7,841.60 = 1,941.06 : x
  2. Step 2: Convert to fraction form
    5,225.70/7,841.60 = 1,941.06/x
  3. Step 3: Cross multiply
    5,225.70x = 7,841.60 × 1,941.06
  4. Step 4: Simplify right side
    5,225.70x = 15,221,016.10
  5. Step 5: Solve for x
    x = 15,221,016.10/5,225.70
  6. Step 6: Final answer
    x = 2,912.72

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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.