Home / 5,380.21-8,070.10-1,484.51

Finding the Fourth Proportional to 5,380.21, 8,070.10 and 1,484.51

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Solution

The fourth proportional to 5,380.21, 8,070.10 and 1,484.51 is: 2,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.21 : 8,070.10 = 1,484.51 : x
  2. Step 2: Convert to fraction form
    5,380.21/8,070.10 = 1,484.51/x
  3. Step 3: Cross multiply
    5,380.21x = 8,070.10 × 1,484.51
  4. Step 4: Simplify right side
    5,380.21x = 11,980,144.15
  5. Step 5: Solve for x
    x = 11,980,144.15/5,380.21
  6. Step 6: Final answer
    x = 2,226.71

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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.