Home / 7,649.82-11,455.70-4,868.28

Finding the Fourth Proportional to 7,649.82, 11,455.70 and 4,868.28

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Solution

The fourth proportional to 7,649.82, 11,455.70 and 4,868.28 is: 7,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.82 : 11,455.70 = 4,868.28 : x
  2. Step 2: Convert to fraction form
    7,649.82/11,455.70 = 4,868.28/x
  3. Step 3: Cross multiply
    7,649.82x = 11,455.70 × 4,868.28
  4. Step 4: Simplify right side
    7,649.82x = 55,769,530.85
  5. Step 5: Solve for x
    x = 55,769,530.85/7,649.82
  6. Step 6: Final answer
    x = 7,290.31

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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.