Home / 7,563.93-11,331.99-5,478.72

Finding the Fourth Proportional to 7,563.93, 11,331.99 and 5,478.72

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Solution

The fourth proportional to 7,563.93, 11,331.99 and 5,478.72 is: 8,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.93 : 11,331.99 = 5,478.72 : x
  2. Step 2: Convert to fraction form
    7,563.93/11,331.99 = 5,478.72/x
  3. Step 3: Cross multiply
    7,563.93x = 11,331.99 × 5,478.72
  4. Step 4: Simplify right side
    7,563.93x = 62,084,800.25
  5. Step 5: Solve for x
    x = 62,084,800.25/7,563.93
  6. Step 6: Final answer
    x = 8,208.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.