Home / 6,215-8,576.73-3,382.40

Finding the Fourth Proportional to 6,215, 8,576.73 and 3,382.40

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Solution

The fourth proportional to 6,215, 8,576.73 and 3,382.40 is: 4,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215 : 8,576.73 = 3,382.40 : x
  2. Step 2: Convert to fraction form
    6,215/8,576.73 = 3,382.40/x
  3. Step 3: Cross multiply
    6,215x = 8,576.73 × 3,382.40
  4. Step 4: Simplify right side
    6,215x = 29,009,931.55
  5. Step 5: Solve for x
    x = 29,009,931.55/6,215
  6. Step 6: Final answer
    x = 4,667.73

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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.