Home / 7,351.19-11,028.36-2,420.63

Finding the Fourth Proportional to 7,351.19, 11,028.36 and 2,420.63

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Solution

The fourth proportional to 7,351.19, 11,028.36 and 2,420.63 is: 3,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.19 : 11,028.36 = 2,420.63 : x
  2. Step 2: Convert to fraction form
    7,351.19/11,028.36 = 2,420.63/x
  3. Step 3: Cross multiply
    7,351.19x = 11,028.36 × 2,420.63
  4. Step 4: Simplify right side
    7,351.19x = 26,695,579.07
  5. Step 5: Solve for x
    x = 26,695,579.07/7,351.19
  6. Step 6: Final answer
    x = 3,631.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.