Home / 7,729.28-11,566.22-6,692.86

Finding the Fourth Proportional to 7,729.28, 11,566.22 and 6,692.86

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Solution

The fourth proportional to 7,729.28, 11,566.22 and 6,692.86 is: 10,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.28 : 11,566.22 = 6,692.86 : x
  2. Step 2: Convert to fraction form
    7,729.28/11,566.22 = 6,692.86/x
  3. Step 3: Cross multiply
    7,729.28x = 11,566.22 × 6,692.86
  4. Step 4: Simplify right side
    7,729.28x = 77,411,091.19
  5. Step 5: Solve for x
    x = 77,411,091.19/7,729.28
  6. Step 6: Final answer
    x = 10,015.30

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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.