Home / 7,705.26-11,555.46-2,158.18

Finding the Fourth Proportional to 7,705.26, 11,555.46 and 2,158.18

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Solution

The fourth proportional to 7,705.26, 11,555.46 and 2,158.18 is: 3,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.26 : 11,555.46 = 2,158.18 : x
  2. Step 2: Convert to fraction form
    7,705.26/11,555.46 = 2,158.18/x
  3. Step 3: Cross multiply
    7,705.26x = 11,555.46 × 2,158.18
  4. Step 4: Simplify right side
    7,705.26x = 24,938,733.77
  5. Step 5: Solve for x
    x = 24,938,733.77/7,705.26
  6. Step 6: Final answer
    x = 3,236.59

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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.