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Finding the Fourth Proportional to 5,435.08, 7,500.43 and 3,077.67

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Solution

The fourth proportional to 5,435.08, 7,500.43 and 3,077.67 is: 4,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.08 : 7,500.43 = 3,077.67 : x
  2. Step 2: Convert to fraction form
    5,435.08/7,500.43 = 3,077.67/x
  3. Step 3: Cross multiply
    5,435.08x = 7,500.43 × 3,077.67
  4. Step 4: Simplify right side
    5,435.08x = 23,083,880.37
  5. Step 5: Solve for x
    x = 23,083,880.37/5,435.08
  6. Step 6: Final answer
    x = 4,247.20

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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.