Home / 5,520.42-8,240.40-5,114.34

Finding the Fourth Proportional to 5,520.42, 8,240.40 and 5,114.34

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Solution

The fourth proportional to 5,520.42, 8,240.40 and 5,114.34 is: 7,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.42 : 8,240.40 = 5,114.34 : x
  2. Step 2: Convert to fraction form
    5,520.42/8,240.40 = 5,114.34/x
  3. Step 3: Cross multiply
    5,520.42x = 8,240.40 × 5,114.34
  4. Step 4: Simplify right side
    5,520.42x = 42,144,207.34
  5. Step 5: Solve for x
    x = 42,144,207.34/5,520.42
  6. Step 6: Final answer
    x = 7,634.24

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.