Home / 5,062.76-6,986.63-2,938.71

Finding the Fourth Proportional to 5,062.76, 6,986.63 and 2,938.71

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Solution

The fourth proportional to 5,062.76, 6,986.63 and 2,938.71 is: 4,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.76 : 6,986.63 = 2,938.71 : x
  2. Step 2: Convert to fraction form
    5,062.76/6,986.63 = 2,938.71/x
  3. Step 3: Cross multiply
    5,062.76x = 6,986.63 × 2,938.71
  4. Step 4: Simplify right side
    5,062.76x = 20,531,679.45
  5. Step 5: Solve for x
    x = 20,531,679.45/5,062.76
  6. Step 6: Final answer
    x = 4,055.43

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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.