Home / 7,894.08-11,838.72-3,276

Finding the Fourth Proportional to 7,894.08, 11,838.72 and 3,276

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Solution

The fourth proportional to 7,894.08, 11,838.72 and 3,276 is: 4,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.08 : 11,838.72 = 3,276 : x
  2. Step 2: Convert to fraction form
    7,894.08/11,838.72 = 3,276/x
  3. Step 3: Cross multiply
    7,894.08x = 11,838.72 × 3,276
  4. Step 4: Simplify right side
    7,894.08x = 38,783,646.72
  5. Step 5: Solve for x
    x = 38,783,646.72/7,894.08
  6. Step 6: Final answer
    x = 4,913.00

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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.