Home / 4,297.79-6,447.65-1,376.27

Finding the Fourth Proportional to 4,297.79, 6,447.65 and 1,376.27

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Solution

The fourth proportional to 4,297.79, 6,447.65 and 1,376.27 is: 2,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.79 : 6,447.65 = 1,376.27 : x
  2. Step 2: Convert to fraction form
    4,297.79/6,447.65 = 1,376.27/x
  3. Step 3: Cross multiply
    4,297.79x = 6,447.65 × 1,376.27
  4. Step 4: Simplify right side
    4,297.79x = 8,873,707.27
  5. Step 5: Solve for x
    x = 8,873,707.27/4,297.79
  6. Step 6: Final answer
    x = 2,064.71

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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.