Home / 7,838.08-10,816.28-4,301.20

Finding the Fourth Proportional to 7,838.08, 10,816.28 and 4,301.20

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Solution

The fourth proportional to 7,838.08, 10,816.28 and 4,301.20 is: 5,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.08 : 10,816.28 = 4,301.20 : x
  2. Step 2: Convert to fraction form
    7,838.08/10,816.28 = 4,301.20/x
  3. Step 3: Cross multiply
    7,838.08x = 10,816.28 × 4,301.20
  4. Step 4: Simplify right side
    7,838.08x = 46,522,983.54
  5. Step 5: Solve for x
    x = 46,522,983.54/7,838.08
  6. Step 6: Final answer
    x = 5,935.51

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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.