Home / 7,211.30-10,818.74-2,017.13

Finding the Fourth Proportional to 7,211.30, 10,818.74 and 2,017.13

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Solution

The fourth proportional to 7,211.30, 10,818.74 and 2,017.13 is: 3,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.30 : 10,818.74 = 2,017.13 : x
  2. Step 2: Convert to fraction form
    7,211.30/10,818.74 = 2,017.13/x
  3. Step 3: Cross multiply
    7,211.30x = 10,818.74 × 2,017.13
  4. Step 4: Simplify right side
    7,211.30x = 21,822,755.97
  5. Step 5: Solve for x
    x = 21,822,755.97/7,211.30
  6. Step 6: Final answer
    x = 3,026.19

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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.