Home / 7,914.44-10,921.86-4,770.04

Finding the Fourth Proportional to 7,914.44, 10,921.86 and 4,770.04

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Solution

The fourth proportional to 7,914.44, 10,921.86 and 4,770.04 is: 6,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.44 : 10,921.86 = 4,770.04 : x
  2. Step 2: Convert to fraction form
    7,914.44/10,921.86 = 4,770.04/x
  3. Step 3: Cross multiply
    7,914.44x = 10,921.86 × 4,770.04
  4. Step 4: Simplify right side
    7,914.44x = 52,097,709.07
  5. Step 5: Solve for x
    x = 52,097,709.07/7,914.44
  6. Step 6: Final answer
    x = 6,582.61

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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.