Home / 4,758.48-7,130.34-2,906.82

Finding the Fourth Proportional to 4,758.48, 7,130.34 and 2,906.82

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Solution

The fourth proportional to 4,758.48, 7,130.34 and 2,906.82 is: 4,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.48 : 7,130.34 = 2,906.82 : x
  2. Step 2: Convert to fraction form
    4,758.48/7,130.34 = 2,906.82/x
  3. Step 3: Cross multiply
    4,758.48x = 7,130.34 × 2,906.82
  4. Step 4: Simplify right side
    4,758.48x = 20,726,614.92
  5. Step 5: Solve for x
    x = 20,726,614.92/4,758.48
  6. Step 6: Final answer
    x = 4,355.72

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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.