Home / 6,140.90-8,474.57-3,623.62

Finding the Fourth Proportional to 6,140.90, 8,474.57 and 3,623.62

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Solution

The fourth proportional to 6,140.90, 8,474.57 and 3,623.62 is: 5,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.90 : 8,474.57 = 3,623.62 : x
  2. Step 2: Convert to fraction form
    6,140.90/8,474.57 = 3,623.62/x
  3. Step 3: Cross multiply
    6,140.90x = 8,474.57 × 3,623.62
  4. Step 4: Simplify right side
    6,140.90x = 30,708,621.34
  5. Step 5: Solve for x
    x = 30,708,621.34/6,140.90
  6. Step 6: Final answer
    x = 5,000.67

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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.