Home / 4,758.30-7,133.85-2,290.77

Finding the Fourth Proportional to 4,758.30, 7,133.85 and 2,290.77

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Solution

The fourth proportional to 4,758.30, 7,133.85 and 2,290.77 is: 3,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.30 : 7,133.85 = 2,290.77 : x
  2. Step 2: Convert to fraction form
    4,758.30/7,133.85 = 2,290.77/x
  3. Step 3: Cross multiply
    4,758.30x = 7,133.85 × 2,290.77
  4. Step 4: Simplify right side
    4,758.30x = 16,342,009.56
  5. Step 5: Solve for x
    x = 16,342,009.56/4,758.30
  6. Step 6: Final answer
    x = 3,434.42

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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.