Home / 5,284.98-7,292.16-3,188.70

Finding the Fourth Proportional to 5,284.98, 7,292.16 and 3,188.70

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Solution

The fourth proportional to 5,284.98, 7,292.16 and 3,188.70 is: 4,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.98 : 7,292.16 = 3,188.70 : x
  2. Step 2: Convert to fraction form
    5,284.98/7,292.16 = 3,188.70/x
  3. Step 3: Cross multiply
    5,284.98x = 7,292.16 × 3,188.70
  4. Step 4: Simplify right side
    5,284.98x = 23,252,510.59
  5. Step 5: Solve for x
    x = 23,252,510.59/5,284.98
  6. Step 6: Final answer
    x = 4,399.73

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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.