Home / 7,649.82-11,473.65-2,455.02

Finding the Fourth Proportional to 7,649.82, 11,473.65 and 2,455.02

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Solution

The fourth proportional to 7,649.82, 11,473.65 and 2,455.02 is: 3,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.82 : 11,473.65 = 2,455.02 : x
  2. Step 2: Convert to fraction form
    7,649.82/11,473.65 = 2,455.02/x
  3. Step 3: Cross multiply
    7,649.82x = 11,473.65 × 2,455.02
  4. Step 4: Simplify right side
    7,649.82x = 28,168,040.22
  5. Step 5: Solve for x
    x = 28,168,040.22/7,649.82
  6. Step 6: Final answer
    x = 3,682.18

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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.