Home / 7,738.44-11,603.85-2,807.34

Finding the Fourth Proportional to 7,738.44, 11,603.85 and 2,807.34

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Solution

The fourth proportional to 7,738.44, 11,603.85 and 2,807.34 is: 4,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.44 : 11,603.85 = 2,807.34 : x
  2. Step 2: Convert to fraction form
    7,738.44/11,603.85 = 2,807.34/x
  3. Step 3: Cross multiply
    7,738.44x = 11,603.85 × 2,807.34
  4. Step 4: Simplify right side
    7,738.44x = 32,575,952.26
  5. Step 5: Solve for x
    x = 32,575,952.26/7,738.44
  6. Step 6: Final answer
    x = 4,209.63

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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.