Home / 7,649.13-11,464.13-3,261.47

Finding the Fourth Proportional to 7,649.13, 11,464.13 and 3,261.47

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Solution

The fourth proportional to 7,649.13, 11,464.13 and 3,261.47 is: 4,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.13 : 11,464.13 = 3,261.47 : x
  2. Step 2: Convert to fraction form
    7,649.13/11,464.13 = 3,261.47/x
  3. Step 3: Cross multiply
    7,649.13x = 11,464.13 × 3,261.47
  4. Step 4: Simplify right side
    7,649.13x = 37,389,866.90
  5. Step 5: Solve for x
    x = 37,389,866.90/7,649.13
  6. Step 6: Final answer
    x = 4,888.12

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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.