Home / 9,289.05-12,813.69-6,102.84

Finding the Fourth Proportional to 9,289.05, 12,813.69 and 6,102.84

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Solution

The fourth proportional to 9,289.05, 12,813.69 and 6,102.84 is: 8,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.05 : 12,813.69 = 6,102.84 : x
  2. Step 2: Convert to fraction form
    9,289.05/12,813.69 = 6,102.84/x
  3. Step 3: Cross multiply
    9,289.05x = 12,813.69 × 6,102.84
  4. Step 4: Simplify right side
    9,289.05x = 78,199,899.88
  5. Step 5: Solve for x
    x = 78,199,899.88/9,289.05
  6. Step 6: Final answer
    x = 8,418.50

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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.