Home / 7,704.20-10,631.46-4,347.08

Finding the Fourth Proportional to 7,704.20, 10,631.46 and 4,347.08

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Solution

The fourth proportional to 7,704.20, 10,631.46 and 4,347.08 is: 5,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.20 : 10,631.46 = 4,347.08 : x
  2. Step 2: Convert to fraction form
    7,704.20/10,631.46 = 4,347.08/x
  3. Step 3: Cross multiply
    7,704.20x = 10,631.46 × 4,347.08
  4. Step 4: Simplify right side
    7,704.20x = 46,215,807.14
  5. Step 5: Solve for x
    x = 46,215,807.14/7,704.20
  6. Step 6: Final answer
    x = 5,998.78

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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.