Home / 6,935.78-10,388.10-5,364.74

Finding the Fourth Proportional to 6,935.78, 10,388.10 and 5,364.74

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Solution

The fourth proportional to 6,935.78, 10,388.10 and 5,364.74 is: 8,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.78 : 10,388.10 = 5,364.74 : x
  2. Step 2: Convert to fraction form
    6,935.78/10,388.10 = 5,364.74/x
  3. Step 3: Cross multiply
    6,935.78x = 10,388.10 × 5,364.74
  4. Step 4: Simplify right side
    6,935.78x = 55,729,455.59
  5. Step 5: Solve for x
    x = 55,729,455.59/6,935.78
  6. Step 6: Final answer
    x = 8,035.07

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1.5x scale

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.