Home / 6,365.68-8,785.47-3,571.18

Finding the Fourth Proportional to 6,365.68, 8,785.47 and 3,571.18

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Solution

The fourth proportional to 6,365.68, 8,785.47 and 3,571.18 is: 4,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.68 : 8,785.47 = 3,571.18 : x
  2. Step 2: Convert to fraction form
    6,365.68/8,785.47 = 3,571.18/x
  3. Step 3: Cross multiply
    6,365.68x = 8,785.47 × 3,571.18
  4. Step 4: Simplify right side
    6,365.68x = 31,374,494.75
  5. Step 5: Solve for x
    x = 31,374,494.75/6,365.68
  6. Step 6: Final answer
    x = 4,928.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.