Home / 4,643.18-6,408.47-2,755.81

Finding the Fourth Proportional to 4,643.18, 6,408.47 and 2,755.81

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Solution

The fourth proportional to 4,643.18, 6,408.47 and 2,755.81 is: 3,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.18 : 6,408.47 = 2,755.81 : x
  2. Step 2: Convert to fraction form
    4,643.18/6,408.47 = 2,755.81/x
  3. Step 3: Cross multiply
    4,643.18x = 6,408.47 × 2,755.81
  4. Step 4: Simplify right side
    4,643.18x = 17,660,525.71
  5. Step 5: Solve for x
    x = 17,660,525.71/4,643.18
  6. Step 6: Final answer
    x = 3,803.54

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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.