Home / 7,760.19-11,642.58-4,475.64

Finding the Fourth Proportional to 7,760.19, 11,642.58 and 4,475.64

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Solution

The fourth proportional to 7,760.19, 11,642.58 and 4,475.64 is: 6,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.19 : 11,642.58 = 4,475.64 : x
  2. Step 2: Convert to fraction form
    7,760.19/11,642.58 = 4,475.64/x
  3. Step 3: Cross multiply
    7,760.19x = 11,642.58 × 4,475.64
  4. Step 4: Simplify right side
    7,760.19x = 52,107,974.37
  5. Step 5: Solve for x
    x = 52,107,974.37/7,760.19
  6. Step 6: Final answer
    x = 6,714.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.