Home / 7,681.32-11,527.29-3,521.79

Finding the Fourth Proportional to 7,681.32, 11,527.29 and 3,521.79

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Solution

The fourth proportional to 7,681.32, 11,527.29 and 3,521.79 is: 5,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.32 : 11,527.29 = 3,521.79 : x
  2. Step 2: Convert to fraction form
    7,681.32/11,527.29 = 3,521.79/x
  3. Step 3: Cross multiply
    7,681.32x = 11,527.29 × 3,521.79
  4. Step 4: Simplify right side
    7,681.32x = 40,596,694.65
  5. Step 5: Solve for x
    x = 40,596,694.65/7,681.32
  6. Step 6: Final answer
    x = 5,285.12

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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.