Home / 5,454.51-8,180.64-1,558.05

Finding the Fourth Proportional to 5,454.51, 8,180.64 and 1,558.05

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Solution

The fourth proportional to 5,454.51, 8,180.64 and 1,558.05 is: 2,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.51 : 8,180.64 = 1,558.05 : x
  2. Step 2: Convert to fraction form
    5,454.51/8,180.64 = 1,558.05/x
  3. Step 3: Cross multiply
    5,454.51x = 8,180.64 × 1,558.05
  4. Step 4: Simplify right side
    5,454.51x = 12,745,846.15
  5. Step 5: Solve for x
    x = 12,745,846.15/5,454.51
  6. Step 6: Final answer
    x = 2,336.75

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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.