Home / 7,850.10-11,771.40-4,564.08

Finding the Fourth Proportional to 7,850.10, 11,771.40 and 4,564.08

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Solution

The fourth proportional to 7,850.10, 11,771.40 and 4,564.08 is: 6,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.10 : 11,771.40 = 4,564.08 : x
  2. Step 2: Convert to fraction form
    7,850.10/11,771.40 = 4,564.08/x
  3. Step 3: Cross multiply
    7,850.10x = 11,771.40 × 4,564.08
  4. Step 4: Simplify right side
    7,850.10x = 53,725,611.31
  5. Step 5: Solve for x
    x = 53,725,611.31/7,850.10
  6. Step 6: Final answer
    x = 6,843.94

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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.