Home / 7,389.52-11,079.48-3,007.44

Finding the Fourth Proportional to 7,389.52, 11,079.48 and 3,007.44

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Solution

The fourth proportional to 7,389.52, 11,079.48 and 3,007.44 is: 4,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.52 : 11,079.48 = 3,007.44 : x
  2. Step 2: Convert to fraction form
    7,389.52/11,079.48 = 3,007.44/x
  3. Step 3: Cross multiply
    7,389.52x = 11,079.48 × 3,007.44
  4. Step 4: Simplify right side
    7,389.52x = 33,320,871.33
  5. Step 5: Solve for x
    x = 33,320,871.33/7,389.52
  6. Step 6: Final answer
    x = 4,509.21

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1.5x scale

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.