Home / 8,583.23-12,875.30-2,739.38

Finding the Fourth Proportional to 8,583.23, 12,875.30 and 2,739.38

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Solution

The fourth proportional to 8,583.23, 12,875.30 and 2,739.38 is: 4,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.23 : 12,875.30 = 2,739.38 : x
  2. Step 2: Convert to fraction form
    8,583.23/12,875.30 = 2,739.38/x
  3. Step 3: Cross multiply
    8,583.23x = 12,875.30 × 2,739.38
  4. Step 4: Simplify right side
    8,583.23x = 35,270,261.24
  5. Step 5: Solve for x
    x = 35,270,261.24/8,583.23
  6. Step 6: Final answer
    x = 4,109.21

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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.