Home / 8,587.03-12,878.16-3,039.64

Finding the Fourth Proportional to 8,587.03, 12,878.16 and 3,039.64

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Solution

The fourth proportional to 8,587.03, 12,878.16 and 3,039.64 is: 4,558.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.03 : 12,878.16 = 3,039.64 : x
  2. Step 2: Convert to fraction form
    8,587.03/12,878.16 = 3,039.64/x
  3. Step 3: Cross multiply
    8,587.03x = 12,878.16 × 3,039.64
  4. Step 4: Simplify right side
    8,587.03x = 39,144,948.47
  5. Step 5: Solve for x
    x = 39,144,948.47/8,587.03
  6. Step 6: Final answer
    x = 4,558.62

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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.