Home / 5,188.80-7,160.72-2,950.60

Finding the Fourth Proportional to 5,188.80, 7,160.72 and 2,950.60

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Solution

The fourth proportional to 5,188.80, 7,160.72 and 2,950.60 is: 4,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.80 : 7,160.72 = 2,950.60 : x
  2. Step 2: Convert to fraction form
    5,188.80/7,160.72 = 2,950.60/x
  3. Step 3: Cross multiply
    5,188.80x = 7,160.72 × 2,950.60
  4. Step 4: Simplify right side
    5,188.80x = 21,128,420.43
  5. Step 5: Solve for x
    x = 21,128,420.43/5,188.80
  6. Step 6: Final answer
    x = 4,071.93

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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.