Home / 4,758.28-7,135.56-1,637.68

Finding the Fourth Proportional to 4,758.28, 7,135.56 and 1,637.68

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Solution

The fourth proportional to 4,758.28, 7,135.56 and 1,637.68 is: 2,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.28 : 7,135.56 = 1,637.68 : x
  2. Step 2: Convert to fraction form
    4,758.28/7,135.56 = 1,637.68/x
  3. Step 3: Cross multiply
    4,758.28x = 7,135.56 × 1,637.68
  4. Step 4: Simplify right side
    4,758.28x = 11,685,763.90
  5. Step 5: Solve for x
    x = 11,685,763.90/4,758.28
  6. Step 6: Final answer
    x = 2,455.88

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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.