Home / 7,550.45-10,420.22-4,193.57

Finding the Fourth Proportional to 7,550.45, 10,420.22 and 4,193.57

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Solution

The fourth proportional to 7,550.45, 10,420.22 and 4,193.57 is: 5,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.45 : 10,420.22 = 4,193.57 : x
  2. Step 2: Convert to fraction form
    7,550.45/10,420.22 = 4,193.57/x
  3. Step 3: Cross multiply
    7,550.45x = 10,420.22 × 4,193.57
  4. Step 4: Simplify right side
    7,550.45x = 43,697,901.02
  5. Step 5: Solve for x
    x = 43,697,901.02/7,550.45
  6. Step 6: Final answer
    x = 5,787.46

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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.