Home / 7,858.42-10,844.85-4,321.86

Finding the Fourth Proportional to 7,858.42, 10,844.85 and 4,321.86

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Solution

The fourth proportional to 7,858.42, 10,844.85 and 4,321.86 is: 5,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.42 : 10,844.85 = 4,321.86 : x
  2. Step 2: Convert to fraction form
    7,858.42/10,844.85 = 4,321.86/x
  3. Step 3: Cross multiply
    7,858.42x = 10,844.85 × 4,321.86
  4. Step 4: Simplify right side
    7,858.42x = 46,869,923.42
  5. Step 5: Solve for x
    x = 46,869,923.42/7,858.42
  6. Step 6: Final answer
    x = 5,964.29

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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.