Home / 5,523.23-7,621.88-3,005.28

Finding the Fourth Proportional to 5,523.23, 7,621.88 and 3,005.28

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Solution

The fourth proportional to 5,523.23, 7,621.88 and 3,005.28 is: 4,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.23 : 7,621.88 = 3,005.28 : x
  2. Step 2: Convert to fraction form
    5,523.23/7,621.88 = 3,005.28/x
  3. Step 3: Cross multiply
    5,523.23x = 7,621.88 × 3,005.28
  4. Step 4: Simplify right side
    5,523.23x = 22,905,868.50
  5. Step 5: Solve for x
    x = 22,905,868.50/5,523.23
  6. Step 6: Final answer
    x = 4,147.19

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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.