Home / 7,122.29-10,676.57-4,782.93

Finding the Fourth Proportional to 7,122.29, 10,676.57 and 4,782.93

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Solution

The fourth proportional to 7,122.29, 10,676.57 and 4,782.93 is: 7,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.29 : 10,676.57 = 4,782.93 : x
  2. Step 2: Convert to fraction form
    7,122.29/10,676.57 = 4,782.93/x
  3. Step 3: Cross multiply
    7,122.29x = 10,676.57 × 4,782.93
  4. Step 4: Simplify right side
    7,122.29x = 51,065,286.95
  5. Step 5: Solve for x
    x = 51,065,286.95/7,122.29
  6. Step 6: Final answer
    x = 7,169.78

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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.