Home / 8,389.44-12,578.64-4,692.06

Finding the Fourth Proportional to 8,389.44, 12,578.64 and 4,692.06

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Solution

The fourth proportional to 8,389.44, 12,578.64 and 4,692.06 is: 7,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.44 : 12,578.64 = 4,692.06 : x
  2. Step 2: Convert to fraction form
    8,389.44/12,578.64 = 4,692.06/x
  3. Step 3: Cross multiply
    8,389.44x = 12,578.64 × 4,692.06
  4. Step 4: Simplify right side
    8,389.44x = 59,019,733.60
  5. Step 5: Solve for x
    x = 59,019,733.60/8,389.44
  6. Step 6: Final answer
    x = 7,035.00

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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.