Home / 5,674.65-7,830.84-3,576.75

Finding the Fourth Proportional to 5,674.65, 7,830.84 and 3,576.75

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Solution

The fourth proportional to 5,674.65, 7,830.84 and 3,576.75 is: 4,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.65 : 7,830.84 = 3,576.75 : x
  2. Step 2: Convert to fraction form
    5,674.65/7,830.84 = 3,576.75/x
  3. Step 3: Cross multiply
    5,674.65x = 7,830.84 × 3,576.75
  4. Step 4: Simplify right side
    5,674.65x = 28,008,956.97
  5. Step 5: Solve for x
    x = 28,008,956.97/5,674.65
  6. Step 6: Final answer
    x = 4,935.80

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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.