Home / 7,838.21-10,816.95-4,301.64

Finding the Fourth Proportional to 7,838.21, 10,816.95 and 4,301.64

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Solution

The fourth proportional to 7,838.21, 10,816.95 and 4,301.64 is: 5,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.21 : 10,816.95 = 4,301.64 : x
  2. Step 2: Convert to fraction form
    7,838.21/10,816.95 = 4,301.64/x
  3. Step 3: Cross multiply
    7,838.21x = 10,816.95 × 4,301.64
  4. Step 4: Simplify right side
    7,838.21x = 46,530,624.80
  5. Step 5: Solve for x
    x = 46,530,624.80/7,838.21
  6. Step 6: Final answer
    x = 5,936.39

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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.