Home / 5,274.41-7,278.83-2,916.70

Finding the Fourth Proportional to 5,274.41, 7,278.83 and 2,916.70

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Solution

The fourth proportional to 5,274.41, 7,278.83 and 2,916.70 is: 4,025.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.41 : 7,278.83 = 2,916.70 : x
  2. Step 2: Convert to fraction form
    5,274.41/7,278.83 = 2,916.70/x
  3. Step 3: Cross multiply
    5,274.41x = 7,278.83 × 2,916.70
  4. Step 4: Simplify right side
    5,274.41x = 21,230,163.46
  5. Step 5: Solve for x
    x = 21,230,163.46/5,274.41
  6. Step 6: Final answer
    x = 4,025.13

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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.