Home / 5,425.58-8,138.33-2,305.10

Finding the Fourth Proportional to 5,425.58, 8,138.33 and 2,305.10

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Solution

The fourth proportional to 5,425.58, 8,138.33 and 2,305.10 is: 3,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.58 : 8,138.33 = 2,305.10 : x
  2. Step 2: Convert to fraction form
    5,425.58/8,138.33 = 2,305.10/x
  3. Step 3: Cross multiply
    5,425.58x = 8,138.33 × 2,305.10
  4. Step 4: Simplify right side
    5,425.58x = 18,759,660.07
  5. Step 5: Solve for x
    x = 18,759,660.07/5,425.58
  6. Step 6: Final answer
    x = 3,457.64

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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.