Home / 4,812.30-7,218.48-2,465.64

Finding the Fourth Proportional to 4,812.30, 7,218.48 and 2,465.64

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Solution

The fourth proportional to 4,812.30, 7,218.48 and 2,465.64 is: 3,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.30 : 7,218.48 = 2,465.64 : x
  2. Step 2: Convert to fraction form
    4,812.30/7,218.48 = 2,465.64/x
  3. Step 3: Cross multiply
    4,812.30x = 7,218.48 × 2,465.64
  4. Step 4: Simplify right side
    4,812.30x = 17,798,173.03
  5. Step 5: Solve for x
    x = 17,798,173.03/4,812.30
  6. Step 6: Final answer
    x = 3,698.48

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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.