Home / 4,678.08-7,015.68-2,485.60

Finding the Fourth Proportional to 4,678.08, 7,015.68 and 2,485.60

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Solution

The fourth proportional to 4,678.08, 7,015.68 and 2,485.60 is: 3,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.08 : 7,015.68 = 2,485.60 : x
  2. Step 2: Convert to fraction form
    4,678.08/7,015.68 = 2,485.60/x
  3. Step 3: Cross multiply
    4,678.08x = 7,015.68 × 2,485.60
  4. Step 4: Simplify right side
    4,678.08x = 17,438,174.21
  5. Step 5: Solve for x
    x = 17,438,174.21/4,678.08
  6. Step 6: Final answer
    x = 3,727.63

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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.