Home / 5,435.21-7,500.86-3,045.03

Finding the Fourth Proportional to 5,435.21, 7,500.86 and 3,045.03

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Solution

The fourth proportional to 5,435.21, 7,500.86 and 3,045.03 is: 4,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.21 : 7,500.86 = 3,045.03 : x
  2. Step 2: Convert to fraction form
    5,435.21/7,500.86 = 3,045.03/x
  3. Step 3: Cross multiply
    5,435.21x = 7,500.86 × 3,045.03
  4. Step 4: Simplify right side
    5,435.21x = 22,840,328.50
  5. Step 5: Solve for x
    x = 22,840,328.50/5,435.21
  6. Step 6: Final answer
    x = 4,202.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.