Home / 4,790.16-7,185.28-1,327.68

Finding the Fourth Proportional to 4,790.16, 7,185.28 and 1,327.68

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Solution

The fourth proportional to 4,790.16, 7,185.28 and 1,327.68 is: 1,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.16 : 7,185.28 = 1,327.68 : x
  2. Step 2: Convert to fraction form
    4,790.16/7,185.28 = 1,327.68/x
  3. Step 3: Cross multiply
    4,790.16x = 7,185.28 × 1,327.68
  4. Step 4: Simplify right side
    4,790.16x = 9,539,752.55
  5. Step 5: Solve for x
    x = 9,539,752.55/4,790.16
  6. Step 6: Final answer
    x = 1,991.53

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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.