Home / 9,130.68-13,692.78-3,285.72

Finding the Fourth Proportional to 9,130.68, 13,692.78 and 3,285.72

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Solution

The fourth proportional to 9,130.68, 13,692.78 and 3,285.72 is: 4,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.68 : 13,692.78 = 3,285.72 : x
  2. Step 2: Convert to fraction form
    9,130.68/13,692.78 = 3,285.72/x
  3. Step 3: Cross multiply
    9,130.68x = 13,692.78 × 3,285.72
  4. Step 4: Simplify right side
    9,130.68x = 44,990,641.10
  5. Step 5: Solve for x
    x = 44,990,641.10/9,130.68
  6. Step 6: Final answer
    x = 4,927.41

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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.