Home / 5,062.87-6,986.42-2,938.47

Finding the Fourth Proportional to 5,062.87, 6,986.42 and 2,938.47

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Solution

The fourth proportional to 5,062.87, 6,986.42 and 2,938.47 is: 4,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.87 : 6,986.42 = 2,938.47 : x
  2. Step 2: Convert to fraction form
    5,062.87/6,986.42 = 2,938.47/x
  3. Step 3: Cross multiply
    5,062.87x = 6,986.42 × 2,938.47
  4. Step 4: Simplify right side
    5,062.87x = 20,529,385.58
  5. Step 5: Solve for x
    x = 20,529,385.58/5,062.87
  6. Step 6: Final answer
    x = 4,054.89

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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.