Home / 7,864.72-10,858.32-4,884.96

Finding the Fourth Proportional to 7,864.72, 10,858.32 and 4,884.96

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Solution

The fourth proportional to 7,864.72, 10,858.32 and 4,884.96 is: 6,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.72 : 10,858.32 = 4,884.96 : x
  2. Step 2: Convert to fraction form
    7,864.72/10,858.32 = 4,884.96/x
  3. Step 3: Cross multiply
    7,864.72x = 10,858.32 × 4,884.96
  4. Step 4: Simplify right side
    7,864.72x = 53,042,458.87
  5. Step 5: Solve for x
    x = 53,042,458.87/7,864.72
  6. Step 6: Final answer
    x = 6,744.35

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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.