Home / 6,886.24-10,282.67-5,408.80

Finding the Fourth Proportional to 6,886.24, 10,282.67 and 5,408.80

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Solution

The fourth proportional to 6,886.24, 10,282.67 and 5,408.80 is: 8,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.24 : 10,282.67 = 5,408.80 : x
  2. Step 2: Convert to fraction form
    6,886.24/10,282.67 = 5,408.80/x
  3. Step 3: Cross multiply
    6,886.24x = 10,282.67 × 5,408.80
  4. Step 4: Simplify right side
    6,886.24x = 55,616,905.50
  5. Step 5: Solve for x
    x = 55,616,905.50/6,886.24
  6. Step 6: Final answer
    x = 8,076.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.