Home / 7,838.11-10,816.64-4,253.10

Finding the Fourth Proportional to 7,838.11, 10,816.64 and 4,253.10

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Solution

The fourth proportional to 7,838.11, 10,816.64 and 4,253.10 is: 5,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.11 : 10,816.64 = 4,253.10 : x
  2. Step 2: Convert to fraction form
    7,838.11/10,816.64 = 4,253.10/x
  3. Step 3: Cross multiply
    7,838.11x = 10,816.64 × 4,253.10
  4. Step 4: Simplify right side
    7,838.11x = 46,004,251.58
  5. Step 5: Solve for x
    x = 46,004,251.58/7,838.11
  6. Step 6: Final answer
    x = 5,869.30

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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.