Home / 5,116.21-7,672.27-1,828.20

Finding the Fourth Proportional to 5,116.21, 7,672.27 and 1,828.20

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Solution

The fourth proportional to 5,116.21, 7,672.27 and 1,828.20 is: 2,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.21 : 7,672.27 = 1,828.20 : x
  2. Step 2: Convert to fraction form
    5,116.21/7,672.27 = 1,828.20/x
  3. Step 3: Cross multiply
    5,116.21x = 7,672.27 × 1,828.20
  4. Step 4: Simplify right side
    5,116.21x = 14,026,406.91
  5. Step 5: Solve for x
    x = 14,026,406.91/5,116.21
  6. Step 6: Final answer
    x = 2,741.56

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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.