Home / 4,256.46-6,388.16-2,065.20

Finding the Fourth Proportional to 4,256.46, 6,388.16 and 2,065.20

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Solution

The fourth proportional to 4,256.46, 6,388.16 and 2,065.20 is: 3,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.46 : 6,388.16 = 2,065.20 : x
  2. Step 2: Convert to fraction form
    4,256.46/6,388.16 = 2,065.20/x
  3. Step 3: Cross multiply
    4,256.46x = 6,388.16 × 2,065.20
  4. Step 4: Simplify right side
    4,256.46x = 13,192,828.03
  5. Step 5: Solve for x
    x = 13,192,828.03/4,256.46
  6. Step 6: Final answer
    x = 3,099.48

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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.