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Finding the Fourth Proportional to 5,478.44, 7,550.62 and 4,363.07

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Solution

The fourth proportional to 5,478.44, 7,550.62 and 4,363.07 is: 6,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.44 : 7,550.62 = 4,363.07 : x
  2. Step 2: Convert to fraction form
    5,478.44/7,550.62 = 4,363.07/x
  3. Step 3: Cross multiply
    5,478.44x = 7,550.62 × 4,363.07
  4. Step 4: Simplify right side
    5,478.44x = 32,943,834.94
  5. Step 5: Solve for x
    x = 32,943,834.94/5,478.44
  6. Step 6: Final answer
    x = 6,013.37

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1.5x scale

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.