Home / 8,001.45-11,040.30-4,643.82

Finding the Fourth Proportional to 8,001.45, 11,040.30 and 4,643.82

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Solution

The fourth proportional to 8,001.45, 11,040.30 and 4,643.82 is: 6,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.45 : 11,040.30 = 4,643.82 : x
  2. Step 2: Convert to fraction form
    8,001.45/11,040.30 = 4,643.82/x
  3. Step 3: Cross multiply
    8,001.45x = 11,040.30 × 4,643.82
  4. Step 4: Simplify right side
    8,001.45x = 51,269,165.95
  5. Step 5: Solve for x
    x = 51,269,165.95/8,001.45
  6. Step 6: Final answer
    x = 6,407.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.