Home / 8,429.16-12,645.66-2,586.60

Finding the Fourth Proportional to 8,429.16, 12,645.66 and 2,586.60

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Solution

The fourth proportional to 8,429.16, 12,645.66 and 2,586.60 is: 3,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.16 : 12,645.66 = 2,586.60 : x
  2. Step 2: Convert to fraction form
    8,429.16/12,645.66 = 2,586.60/x
  3. Step 3: Cross multiply
    8,429.16x = 12,645.66 × 2,586.60
  4. Step 4: Simplify right side
    8,429.16x = 32,709,264.16
  5. Step 5: Solve for x
    x = 32,709,264.16/8,429.16
  6. Step 6: Final answer
    x = 3,880.49

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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.