Home / 8,583.26-12,875.34-2,739.40

Finding the Fourth Proportional to 8,583.26, 12,875.34 and 2,739.40

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Solution

The fourth proportional to 8,583.26, 12,875.34 and 2,739.40 is: 4,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.26 : 12,875.34 = 2,739.40 : x
  2. Step 2: Convert to fraction form
    8,583.26/12,875.34 = 2,739.40/x
  3. Step 3: Cross multiply
    8,583.26x = 12,875.34 × 2,739.40
  4. Step 4: Simplify right side
    8,583.26x = 35,270,706.40
  5. Step 5: Solve for x
    x = 35,270,706.40/8,583.26
  6. Step 6: Final answer
    x = 4,109.24

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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.