Home / 4,224.08-5,828.72-2,455.40

Finding the Fourth Proportional to 4,224.08, 5,828.72 and 2,455.40

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Solution

The fourth proportional to 4,224.08, 5,828.72 and 2,455.40 is: 3,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,224.08 : 5,828.72 = 2,455.40 : x
  2. Step 2: Convert to fraction form
    4,224.08/5,828.72 = 2,455.40/x
  3. Step 3: Cross multiply
    4,224.08x = 5,828.72 × 2,455.40
  4. Step 4: Simplify right side
    4,224.08x = 14,311,839.09
  5. Step 5: Solve for x
    x = 14,311,839.09/4,224.08
  6. Step 6: Final answer
    x = 3,388.16

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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.