Home / 6,943-10,408.32-2,559.40

Finding the Fourth Proportional to 6,943, 10,408.32 and 2,559.40

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Solution

The fourth proportional to 6,943, 10,408.32 and 2,559.40 is: 3,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943 : 10,408.32 = 2,559.40 : x
  2. Step 2: Convert to fraction form
    6,943/10,408.32 = 2,559.40/x
  3. Step 3: Cross multiply
    6,943x = 10,408.32 × 2,559.40
  4. Step 4: Simplify right side
    6,943x = 26,639,054.21
  5. Step 5: Solve for x
    x = 26,639,054.21/6,943
  6. Step 6: Final answer
    x = 3,836.82

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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.