Home / 8,242.42-11,375.70-4,705.84

Finding the Fourth Proportional to 8,242.42, 11,375.70 and 4,705.84

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Solution

The fourth proportional to 8,242.42, 11,375.70 and 4,705.84 is: 6,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.42 : 11,375.70 = 4,705.84 : x
  2. Step 2: Convert to fraction form
    8,242.42/11,375.70 = 4,705.84/x
  3. Step 3: Cross multiply
    8,242.42x = 11,375.70 × 4,705.84
  4. Step 4: Simplify right side
    8,242.42x = 53,532,224.09
  5. Step 5: Solve for x
    x = 53,532,224.09/8,242.42
  6. Step 6: Final answer
    x = 6,494.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.