Home / 7,725.66-10,659.60-5,212.42

Finding the Fourth Proportional to 7,725.66, 10,659.60 and 5,212.42

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Solution

The fourth proportional to 7,725.66, 10,659.60 and 5,212.42 is: 7,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.66 : 10,659.60 = 5,212.42 : x
  2. Step 2: Convert to fraction form
    7,725.66/10,659.60 = 5,212.42/x
  3. Step 3: Cross multiply
    7,725.66x = 10,659.60 × 5,212.42
  4. Step 4: Simplify right side
    7,725.66x = 55,562,312.23
  5. Step 5: Solve for x
    x = 55,562,312.23/7,725.66
  6. Step 6: Final answer
    x = 7,191.92

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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.