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Finding the Fourth Proportional to 6,144.95, 8,477.62 and 3,782.99

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Solution

The fourth proportional to 6,144.95, 8,477.62 and 3,782.99 is: 5,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.95 : 8,477.62 = 3,782.99 : x
  2. Step 2: Convert to fraction form
    6,144.95/8,477.62 = 3,782.99/x
  3. Step 3: Cross multiply
    6,144.95x = 8,477.62 × 3,782.99
  4. Step 4: Simplify right side
    6,144.95x = 32,070,763.42
  5. Step 5: Solve for x
    x = 32,070,763.42/6,144.95
  6. Step 6: Final answer
    x = 5,219.04

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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.