Home / 7,418.31-10,237.76-4,274.70

Finding the Fourth Proportional to 7,418.31, 10,237.76 and 4,274.70

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Solution

The fourth proportional to 7,418.31, 10,237.76 and 4,274.70 is: 5,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.31 : 10,237.76 = 4,274.70 : x
  2. Step 2: Convert to fraction form
    7,418.31/10,237.76 = 4,274.70/x
  3. Step 3: Cross multiply
    7,418.31x = 10,237.76 × 4,274.70
  4. Step 4: Simplify right side
    7,418.31x = 43,763,352.67
  5. Step 5: Solve for x
    x = 43,763,352.67/7,418.31
  6. Step 6: Final answer
    x = 5,899.37

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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.