Home / 8,588.26-12,871.61-4,639.35

Finding the Fourth Proportional to 8,588.26, 12,871.61 and 4,639.35

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Solution

The fourth proportional to 8,588.26, 12,871.61 and 4,639.35 is: 6,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.26 : 12,871.61 = 4,639.35 : x
  2. Step 2: Convert to fraction form
    8,588.26/12,871.61 = 4,639.35/x
  3. Step 3: Cross multiply
    8,588.26x = 12,871.61 × 4,639.35
  4. Step 4: Simplify right side
    8,588.26x = 59,715,903.85
  5. Step 5: Solve for x
    x = 59,715,903.85/8,588.26
  6. Step 6: Final answer
    x = 6,953.20

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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.