Home / 7,838.30-10,816.88-4,301.70

Finding the Fourth Proportional to 7,838.30, 10,816.88 and 4,301.70

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Solution

The fourth proportional to 7,838.30, 10,816.88 and 4,301.70 is: 5,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.30 : 10,816.88 = 4,301.70 : x
  2. Step 2: Convert to fraction form
    7,838.30/10,816.88 = 4,301.70/x
  3. Step 3: Cross multiply
    7,838.30x = 10,816.88 × 4,301.70
  4. Step 4: Simplify right side
    7,838.30x = 46,530,951.19
  5. Step 5: Solve for x
    x = 46,530,951.19/7,838.30
  6. Step 6: Final answer
    x = 5,936.36

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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.