Home / 6,142.60-8,477.09-3,454.67

Finding the Fourth Proportional to 6,142.60, 8,477.09 and 3,454.67

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Solution

The fourth proportional to 6,142.60, 8,477.09 and 3,454.67 is: 4,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.60 : 8,477.09 = 3,454.67 : x
  2. Step 2: Convert to fraction form
    6,142.60/8,477.09 = 3,454.67/x
  3. Step 3: Cross multiply
    6,142.60x = 8,477.09 × 3,454.67
  4. Step 4: Simplify right side
    6,142.60x = 29,285,537.13
  5. Step 5: Solve for x
    x = 29,285,537.13/6,142.60
  6. Step 6: Final answer
    x = 4,767.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.