Home / 5,400.55-8,103.18-1,893.09

Finding the Fourth Proportional to 5,400.55, 8,103.18 and 1,893.09

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Solution

The fourth proportional to 5,400.55, 8,103.18 and 1,893.09 is: 2,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.55 : 8,103.18 = 1,893.09 : x
  2. Step 2: Convert to fraction form
    5,400.55/8,103.18 = 1,893.09/x
  3. Step 3: Cross multiply
    5,400.55x = 8,103.18 × 1,893.09
  4. Step 4: Simplify right side
    5,400.55x = 15,340,008.51
  5. Step 5: Solve for x
    x = 15,340,008.51/5,400.55
  6. Step 6: Final answer
    x = 2,840.45

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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.