Home / 5,259.39-7,887.71-2,485.32

Finding the Fourth Proportional to 5,259.39, 7,887.71 and 2,485.32

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Solution

The fourth proportional to 5,259.39, 7,887.71 and 2,485.32 is: 3,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.39 : 7,887.71 = 2,485.32 : x
  2. Step 2: Convert to fraction form
    5,259.39/7,887.71 = 2,485.32/x
  3. Step 3: Cross multiply
    5,259.39x = 7,887.71 × 2,485.32
  4. Step 4: Simplify right side
    5,259.39x = 19,603,470.99
  5. Step 5: Solve for x
    x = 19,603,470.99/5,259.39
  6. Step 6: Final answer
    x = 3,727.33

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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.