Home / 7,928.88-10,942.76-4,785.06

Finding the Fourth Proportional to 7,928.88, 10,942.76 and 4,785.06

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Solution

The fourth proportional to 7,928.88, 10,942.76 and 4,785.06 is: 6,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.88 : 10,942.76 = 4,785.06 : x
  2. Step 2: Convert to fraction form
    7,928.88/10,942.76 = 4,785.06/x
  3. Step 3: Cross multiply
    7,928.88x = 10,942.76 × 4,785.06
  4. Step 4: Simplify right side
    7,928.88x = 52,361,763.17
  5. Step 5: Solve for x
    x = 52,361,763.17/7,928.88
  6. Step 6: Final answer
    x = 6,603.93

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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.