Home / 4,485.83-6,728.69-1,564.13

Finding the Fourth Proportional to 4,485.83, 6,728.69 and 1,564.13

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Solution

The fourth proportional to 4,485.83, 6,728.69 and 1,564.13 is: 2,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.83 : 6,728.69 = 1,564.13 : x
  2. Step 2: Convert to fraction form
    4,485.83/6,728.69 = 1,564.13/x
  3. Step 3: Cross multiply
    4,485.83x = 6,728.69 × 1,564.13
  4. Step 4: Simplify right side
    4,485.83x = 10,524,504.43
  5. Step 5: Solve for x
    x = 10,524,504.43/4,485.83
  6. Step 6: Final answer
    x = 2,346.17

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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.