Home / 4,485.24-6,730.04-3,177.40

Finding the Fourth Proportional to 4,485.24, 6,730.04 and 3,177.40

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Solution

The fourth proportional to 4,485.24, 6,730.04 and 3,177.40 is: 4,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.24 : 6,730.04 = 3,177.40 : x
  2. Step 2: Convert to fraction form
    4,485.24/6,730.04 = 3,177.40/x
  3. Step 3: Cross multiply
    4,485.24x = 6,730.04 × 3,177.40
  4. Step 4: Simplify right side
    4,485.24x = 21,384,029.10
  5. Step 5: Solve for x
    x = 21,384,029.10/4,485.24
  6. Step 6: Final answer
    x = 4,767.64

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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.