Home / 6,127.55-9,190.79-3,787.91

Finding the Fourth Proportional to 6,127.55, 9,190.79 and 3,787.91

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Solution

The fourth proportional to 6,127.55, 9,190.79 and 3,787.91 is: 5,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.55 : 9,190.79 = 3,787.91 : x
  2. Step 2: Convert to fraction form
    6,127.55/9,190.79 = 3,787.91/x
  3. Step 3: Cross multiply
    6,127.55x = 9,190.79 × 3,787.91
  4. Step 4: Simplify right side
    6,127.55x = 34,813,931.48
  5. Step 5: Solve for x
    x = 34,813,931.48/6,127.55
  6. Step 6: Final answer
    x = 5,681.54

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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.