Home / 7,688.94-11,531.88-3,527.98

Finding the Fourth Proportional to 7,688.94, 11,531.88 and 3,527.98

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Solution

The fourth proportional to 7,688.94, 11,531.88 and 3,527.98 is: 5,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.94 : 11,531.88 = 3,527.98 : x
  2. Step 2: Convert to fraction form
    7,688.94/11,531.88 = 3,527.98/x
  3. Step 3: Cross multiply
    7,688.94x = 11,531.88 × 3,527.98
  4. Step 4: Simplify right side
    7,688.94x = 40,684,242.00
  5. Step 5: Solve for x
    x = 40,684,242.00/7,688.94
  6. Step 6: Final answer
    x = 5,291.27

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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.