Home / 4,939.47-6,818.95-3,817.87

Finding the Fourth Proportional to 4,939.47, 6,818.95 and 3,817.87

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Solution

The fourth proportional to 4,939.47, 6,818.95 and 3,817.87 is: 5,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.47 : 6,818.95 = 3,817.87 : x
  2. Step 2: Convert to fraction form
    4,939.47/6,818.95 = 3,817.87/x
  3. Step 3: Cross multiply
    4,939.47x = 6,818.95 × 3,817.87
  4. Step 4: Simplify right side
    4,939.47x = 26,033,845.55
  5. Step 5: Solve for x
    x = 26,033,845.55/4,939.47
  6. Step 6: Final answer
    x = 5,270.57

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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.