Home / 7,938.60-11,926.26-4,986.24

Finding the Fourth Proportional to 7,938.60, 11,926.26 and 4,986.24

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Solution

The fourth proportional to 7,938.60, 11,926.26 and 4,986.24 is: 7,490.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.60 : 11,926.26 = 4,986.24 : x
  2. Step 2: Convert to fraction form
    7,938.60/11,926.26 = 4,986.24/x
  3. Step 3: Cross multiply
    7,938.60x = 11,926.26 × 4,986.24
  4. Step 4: Simplify right side
    7,938.60x = 59,467,194.66
  5. Step 5: Solve for x
    x = 59,467,194.66/7,938.60
  6. Step 6: Final answer
    x = 7,490.89

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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.