Home / 5,434.60-8,157.30-2,664.40

Finding the Fourth Proportional to 5,434.60, 8,157.30 and 2,664.40

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Solution

The fourth proportional to 5,434.60, 8,157.30 and 2,664.40 is: 3,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.60 : 8,157.30 = 2,664.40 : x
  2. Step 2: Convert to fraction form
    5,434.60/8,157.30 = 2,664.40/x
  3. Step 3: Cross multiply
    5,434.60x = 8,157.30 × 2,664.40
  4. Step 4: Simplify right side
    5,434.60x = 21,734,310.12
  5. Step 5: Solve for x
    x = 21,734,310.12/5,434.60
  6. Step 6: Final answer
    x = 3,999.25

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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.