Home / 8,838.17-13,257.93-2,912.75

Finding the Fourth Proportional to 8,838.17, 13,257.93 and 2,912.75

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Solution

The fourth proportional to 8,838.17, 13,257.93 and 2,912.75 is: 4,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.17 : 13,257.93 = 2,912.75 : x
  2. Step 2: Convert to fraction form
    8,838.17/13,257.93 = 2,912.75/x
  3. Step 3: Cross multiply
    8,838.17x = 13,257.93 × 2,912.75
  4. Step 4: Simplify right side
    8,838.17x = 38,617,035.61
  5. Step 5: Solve for x
    x = 38,617,035.61/8,838.17
  6. Step 6: Final answer
    x = 4,369.35

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1.5x scale

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.