Home / 8,266.60-11,407.78-4,729.64

Finding the Fourth Proportional to 8,266.60, 11,407.78 and 4,729.64

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Solution

The fourth proportional to 8,266.60, 11,407.78 and 4,729.64 is: 6,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.60 : 11,407.78 = 4,729.64 : x
  2. Step 2: Convert to fraction form
    8,266.60/11,407.78 = 4,729.64/x
  3. Step 3: Cross multiply
    8,266.60x = 11,407.78 × 4,729.64
  4. Step 4: Simplify right side
    8,266.60x = 53,954,692.60
  5. Step 5: Solve for x
    x = 53,954,692.60/8,266.60
  6. Step 6: Final answer
    x = 6,526.83

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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.