Home / 7,758.83-10,707.42-4,222.27

Finding the Fourth Proportional to 7,758.83, 10,707.42 and 4,222.27

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Solution

The fourth proportional to 7,758.83, 10,707.42 and 4,222.27 is: 5,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.83 : 10,707.42 = 4,222.27 : x
  2. Step 2: Convert to fraction form
    7,758.83/10,707.42 = 4,222.27/x
  3. Step 3: Cross multiply
    7,758.83x = 10,707.42 × 4,222.27
  4. Step 4: Simplify right side
    7,758.83x = 45,209,629.18
  5. Step 5: Solve for x
    x = 45,209,629.18/7,758.83
  6. Step 6: Final answer
    x = 5,826.86

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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.