Home / 7,686.36-10,608.20-4,329.83

Finding the Fourth Proportional to 7,686.36, 10,608.20 and 4,329.83

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Solution

The fourth proportional to 7,686.36, 10,608.20 and 4,329.83 is: 5,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.36 : 10,608.20 = 4,329.83 : x
  2. Step 2: Convert to fraction form
    7,686.36/10,608.20 = 4,329.83/x
  3. Step 3: Cross multiply
    7,686.36x = 10,608.20 × 4,329.83
  4. Step 4: Simplify right side
    7,686.36x = 45,931,627.92
  5. Step 5: Solve for x
    x = 45,931,627.92/7,686.36
  6. Step 6: Final answer
    x = 5,975.73

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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.