Home / 4,384.54-6,576.81-3,215.80

Finding the Fourth Proportional to 4,384.54, 6,576.81 and 3,215.80

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Solution

The fourth proportional to 4,384.54, 6,576.81 and 3,215.80 is: 4,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,384.54 : 6,576.81 = 3,215.80 : x
  2. Step 2: Convert to fraction form
    4,384.54/6,576.81 = 3,215.80/x
  3. Step 3: Cross multiply
    4,384.54x = 6,576.81 × 3,215.80
  4. Step 4: Simplify right side
    4,384.54x = 21,149,705.60
  5. Step 5: Solve for x
    x = 21,149,705.60/4,384.54
  6. Step 6: Final answer
    x = 4,823.70

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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.