Home / 7,686.45-10,608.30-4,329.91

Finding the Fourth Proportional to 7,686.45, 10,608.30 and 4,329.91

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Solution

The fourth proportional to 7,686.45, 10,608.30 and 4,329.91 is: 5,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.45 : 10,608.30 = 4,329.91 : x
  2. Step 2: Convert to fraction form
    7,686.45/10,608.30 = 4,329.91/x
  3. Step 3: Cross multiply
    7,686.45x = 10,608.30 × 4,329.91
  4. Step 4: Simplify right side
    7,686.45x = 45,932,968.56
  5. Step 5: Solve for x
    x = 45,932,968.56/7,686.45
  6. Step 6: Final answer
    x = 5,975.84

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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.