Home / 7,858.35-10,844.70-4,500.78

Finding the Fourth Proportional to 7,858.35, 10,844.70 and 4,500.78

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Solution

The fourth proportional to 7,858.35, 10,844.70 and 4,500.78 is: 6,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.35 : 10,844.70 = 4,500.78 : x
  2. Step 2: Convert to fraction form
    7,858.35/10,844.70 = 4,500.78/x
  3. Step 3: Cross multiply
    7,858.35x = 10,844.70 × 4,500.78
  4. Step 4: Simplify right side
    7,858.35x = 48,809,608.87
  5. Step 5: Solve for x
    x = 48,809,608.87/7,858.35
  6. Step 6: Final answer
    x = 6,211.18

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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.