Home / 5,828.64-8,742.96-2,131.08

Finding the Fourth Proportional to 5,828.64, 8,742.96 and 2,131.08

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Solution

The fourth proportional to 5,828.64, 8,742.96 and 2,131.08 is: 3,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.64 : 8,742.96 = 2,131.08 : x
  2. Step 2: Convert to fraction form
    5,828.64/8,742.96 = 2,131.08/x
  3. Step 3: Cross multiply
    5,828.64x = 8,742.96 × 2,131.08
  4. Step 4: Simplify right side
    5,828.64x = 18,631,947.20
  5. Step 5: Solve for x
    x = 18,631,947.20/5,828.64
  6. Step 6: Final answer
    x = 3,196.62

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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.