Home / 4,883.76-6,739.47-2,788.29

Finding the Fourth Proportional to 4,883.76, 6,739.47 and 2,788.29

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Solution

The fourth proportional to 4,883.76, 6,739.47 and 2,788.29 is: 3,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.76 : 6,739.47 = 2,788.29 : x
  2. Step 2: Convert to fraction form
    4,883.76/6,739.47 = 2,788.29/x
  3. Step 3: Cross multiply
    4,883.76x = 6,739.47 × 2,788.29
  4. Step 4: Simplify right side
    4,883.76x = 18,791,596.81
  5. Step 5: Solve for x
    x = 18,791,596.81/4,883.76
  6. Step 6: Final answer
    x = 3,847.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.