Home / 8,623.02-12,939.68-3,692.66

Finding the Fourth Proportional to 8,623.02, 12,939.68 and 3,692.66

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Solution

The fourth proportional to 8,623.02, 12,939.68 and 3,692.66 is: 5,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.02 : 12,939.68 = 3,692.66 : x
  2. Step 2: Convert to fraction form
    8,623.02/12,939.68 = 3,692.66/x
  3. Step 3: Cross multiply
    8,623.02x = 12,939.68 × 3,692.66
  4. Step 4: Simplify right side
    8,623.02x = 47,781,838.75
  5. Step 5: Solve for x
    x = 47,781,838.75/8,623.02
  6. Step 6: Final answer
    x = 5,541.20

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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.