Home / 7,928.64-10,943.78-4,785.03

Finding the Fourth Proportional to 7,928.64, 10,943.78 and 4,785.03

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Solution

The fourth proportional to 7,928.64, 10,943.78 and 4,785.03 is: 6,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.64 : 10,943.78 = 4,785.03 : x
  2. Step 2: Convert to fraction form
    7,928.64/10,943.78 = 4,785.03/x
  3. Step 3: Cross multiply
    7,928.64x = 10,943.78 × 4,785.03
  4. Step 4: Simplify right side
    7,928.64x = 52,366,291.69
  5. Step 5: Solve for x
    x = 52,366,291.69/7,928.64
  6. Step 6: Final answer
    x = 6,604.70

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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.