Home / 4,254.32-6,381.96-1,788.68

Finding the Fourth Proportional to 4,254.32, 6,381.96 and 1,788.68

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Solution

The fourth proportional to 4,254.32, 6,381.96 and 1,788.68 is: 2,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.32 : 6,381.96 = 1,788.68 : x
  2. Step 2: Convert to fraction form
    4,254.32/6,381.96 = 1,788.68/x
  3. Step 3: Cross multiply
    4,254.32x = 6,381.96 × 1,788.68
  4. Step 4: Simplify right side
    4,254.32x = 11,415,284.21
  5. Step 5: Solve for x
    x = 11,415,284.21/4,254.32
  6. Step 6: Final answer
    x = 2,683.22

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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.