Home / 5,340.59-8,005.31-1,829.56

Finding the Fourth Proportional to 5,340.59, 8,005.31 and 1,829.56

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Solution

The fourth proportional to 5,340.59, 8,005.31 and 1,829.56 is: 2,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.59 : 8,005.31 = 1,829.56 : x
  2. Step 2: Convert to fraction form
    5,340.59/8,005.31 = 1,829.56/x
  3. Step 3: Cross multiply
    5,340.59x = 8,005.31 × 1,829.56
  4. Step 4: Simplify right side
    5,340.59x = 14,646,194.96
  5. Step 5: Solve for x
    x = 14,646,194.96/5,340.59
  6. Step 6: Final answer
    x = 2,742.43

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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.