Home / 6,986.71-10,447.66-5,408.83

Finding the Fourth Proportional to 6,986.71, 10,447.66 and 5,408.83

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Solution

The fourth proportional to 6,986.71, 10,447.66 and 5,408.83 is: 8,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.71 : 10,447.66 = 5,408.83 : x
  2. Step 2: Convert to fraction form
    6,986.71/10,447.66 = 5,408.83/x
  3. Step 3: Cross multiply
    6,986.71x = 10,447.66 × 5,408.83
  4. Step 4: Simplify right side
    6,986.71x = 56,509,616.84
  5. Step 5: Solve for x
    x = 56,509,616.84/6,986.71
  6. Step 6: Final answer
    x = 8,088.16

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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.