Home / 8,344.84-11,516.93-4,989.50

Finding the Fourth Proportional to 8,344.84, 11,516.93 and 4,989.50

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Solution

The fourth proportional to 8,344.84, 11,516.93 and 4,989.50 is: 6,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.84 : 11,516.93 = 4,989.50 : x
  2. Step 2: Convert to fraction form
    8,344.84/11,516.93 = 4,989.50/x
  3. Step 3: Cross multiply
    8,344.84x = 11,516.93 × 4,989.50
  4. Step 4: Simplify right side
    8,344.84x = 57,463,766.38
  5. Step 5: Solve for x
    x = 57,463,766.38/8,344.84
  6. Step 6: Final answer
    x = 6,886.14

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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.