Home / 5,433.40-7,487.34-3,857.08

Finding the Fourth Proportional to 5,433.40, 7,487.34 and 3,857.08

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Solution

The fourth proportional to 5,433.40, 7,487.34 and 3,857.08 is: 5,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.40 : 7,487.34 = 3,857.08 : x
  2. Step 2: Convert to fraction form
    5,433.40/7,487.34 = 3,857.08/x
  3. Step 3: Cross multiply
    5,433.40x = 7,487.34 × 3,857.08
  4. Step 4: Simplify right side
    5,433.40x = 28,879,269.37
  5. Step 5: Solve for x
    x = 28,879,269.37/5,433.40
  6. Step 6: Final answer
    x = 5,315.14

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