Home / 4,321.56-6,453.99-4,276.20

Finding the Fourth Proportional to 4,321.56, 6,453.99 and 4,276.20

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Solution

The fourth proportional to 4,321.56, 6,453.99 and 4,276.20 is: 6,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.56 : 6,453.99 = 4,276.20 : x
  2. Step 2: Convert to fraction form
    4,321.56/6,453.99 = 4,276.20/x
  3. Step 3: Cross multiply
    4,321.56x = 6,453.99 × 4,276.20
  4. Step 4: Simplify right side
    4,321.56x = 27,598,552.04
  5. Step 5: Solve for x
    x = 27,598,552.04/4,321.56
  6. Step 6: Final answer
    x = 6,386.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.