Home / 8,586.60-12,880.14-3,039.16

Finding the Fourth Proportional to 8,586.60, 12,880.14 and 3,039.16

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Solution

The fourth proportional to 8,586.60, 12,880.14 and 3,039.16 is: 4,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.60 : 12,880.14 = 3,039.16 : x
  2. Step 2: Convert to fraction form
    8,586.60/12,880.14 = 3,039.16/x
  3. Step 3: Cross multiply
    8,586.60x = 12,880.14 × 3,039.16
  4. Step 4: Simplify right side
    8,586.60x = 39,144,806.28
  5. Step 5: Solve for x
    x = 39,144,806.28/8,586.60
  6. Step 6: Final answer
    x = 4,558.82

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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.