Home / 5,284.53-7,292.70-3,188.25

Finding the Fourth Proportional to 5,284.53, 7,292.70 and 3,188.25

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Solution

The fourth proportional to 5,284.53, 7,292.70 and 3,188.25 is: 4,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.53 : 7,292.70 = 3,188.25 : x
  2. Step 2: Convert to fraction form
    5,284.53/7,292.70 = 3,188.25/x
  3. Step 3: Cross multiply
    5,284.53x = 7,292.70 × 3,188.25
  4. Step 4: Simplify right side
    5,284.53x = 23,250,950.78
  5. Step 5: Solve for x
    x = 23,250,950.78/5,284.53
  6. Step 6: Final answer
    x = 4,399.81

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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.