Home / 7,427.36-11,140.09-2,429.31

Finding the Fourth Proportional to 7,427.36, 11,140.09 and 2,429.31

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Solution

The fourth proportional to 7,427.36, 11,140.09 and 2,429.31 is: 3,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.36 : 11,140.09 = 2,429.31 : x
  2. Step 2: Convert to fraction form
    7,427.36/11,140.09 = 2,429.31/x
  3. Step 3: Cross multiply
    7,427.36x = 11,140.09 × 2,429.31
  4. Step 4: Simplify right side
    7,427.36x = 27,062,732.04
  5. Step 5: Solve for x
    x = 27,062,732.04/7,427.36
  6. Step 6: Final answer
    x = 3,643.65

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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.