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Finding the Fourth Proportional to 6,127.63, 9,190.90 and 2,428.90

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Solution

The fourth proportional to 6,127.63, 9,190.90 and 2,428.90 is: 3,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.63 : 9,190.90 = 2,428.90 : x
  2. Step 2: Convert to fraction form
    6,127.63/9,190.90 = 2,428.90/x
  3. Step 3: Cross multiply
    6,127.63x = 9,190.90 × 2,428.90
  4. Step 4: Simplify right side
    6,127.63x = 22,323,777.01
  5. Step 5: Solve for x
    x = 22,323,777.01/6,127.63
  6. Step 6: Final answer
    x = 3,643.13

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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.