Home / 4,260.31-6,384.56-3,219.46

Finding the Fourth Proportional to 4,260.31, 6,384.56 and 3,219.46

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Solution

The fourth proportional to 4,260.31, 6,384.56 and 3,219.46 is: 4,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.31 : 6,384.56 = 3,219.46 : x
  2. Step 2: Convert to fraction form
    4,260.31/6,384.56 = 3,219.46/x
  3. Step 3: Cross multiply
    4,260.31x = 6,384.56 × 3,219.46
  4. Step 4: Simplify right side
    4,260.31x = 20,554,803.48
  5. Step 5: Solve for x
    x = 20,554,803.48/4,260.31
  6. Step 6: Final answer
    x = 4,824.72

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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.