Home / 8,585.46-12,878.16-3,039.12

Finding the Fourth Proportional to 8,585.46, 12,878.16 and 3,039.12

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Solution

The fourth proportional to 8,585.46, 12,878.16 and 3,039.12 is: 4,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.46 : 12,878.16 = 3,039.12 : x
  2. Step 2: Convert to fraction form
    8,585.46/12,878.16 = 3,039.12/x
  3. Step 3: Cross multiply
    8,585.46x = 12,878.16 × 3,039.12
  4. Step 4: Simplify right side
    8,585.46x = 39,138,273.62
  5. Step 5: Solve for x
    x = 39,138,273.62/8,585.46
  6. Step 6: Final answer
    x = 4,558.67

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1.5x scale

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.