Home / 4,455.60-6,144.72-3,571.20

Finding the Fourth Proportional to 4,455.60, 6,144.72 and 3,571.20

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Solution

The fourth proportional to 4,455.60, 6,144.72 and 3,571.20 is: 4,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.60 : 6,144.72 = 3,571.20 : x
  2. Step 2: Convert to fraction form
    4,455.60/6,144.72 = 3,571.20/x
  3. Step 3: Cross multiply
    4,455.60x = 6,144.72 × 3,571.20
  4. Step 4: Simplify right side
    4,455.60x = 21,944,024.06
  5. Step 5: Solve for x
    x = 21,944,024.06/4,455.60
  6. Step 6: Final answer
    x = 4,925.04

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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.