Home / 8,288.84-11,438.81-5,100.95

Finding the Fourth Proportional to 8,288.84, 11,438.81 and 5,100.95

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Solution

The fourth proportional to 8,288.84, 11,438.81 and 5,100.95 is: 7,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.84 : 11,438.81 = 5,100.95 : x
  2. Step 2: Convert to fraction form
    8,288.84/11,438.81 = 5,100.95/x
  3. Step 3: Cross multiply
    8,288.84x = 11,438.81 × 5,100.95
  4. Step 4: Simplify right side
    8,288.84x = 58,348,715.17
  5. Step 5: Solve for x
    x = 58,348,715.17/8,288.84
  6. Step 6: Final answer
    x = 7,039.43

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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.