Home / 7,681.46-11,527.04-2,750.99

Finding the Fourth Proportional to 7,681.46, 11,527.04 and 2,750.99

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Solution

The fourth proportional to 7,681.46, 11,527.04 and 2,750.99 is: 4,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.46 : 11,527.04 = 2,750.99 : x
  2. Step 2: Convert to fraction form
    7,681.46/11,527.04 = 2,750.99/x
  3. Step 3: Cross multiply
    7,681.46x = 11,527.04 × 2,750.99
  4. Step 4: Simplify right side
    7,681.46x = 31,710,721.01
  5. Step 5: Solve for x
    x = 31,710,721.01/7,681.46
  6. Step 6: Final answer
    x = 4,128.22

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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.