Home / 7,574.95-11,365.31-2,645.09

Finding the Fourth Proportional to 7,574.95, 11,365.31 and 2,645.09

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Solution

The fourth proportional to 7,574.95, 11,365.31 and 2,645.09 is: 3,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.95 : 11,365.31 = 2,645.09 : x
  2. Step 2: Convert to fraction form
    7,574.95/11,365.31 = 2,645.09/x
  3. Step 3: Cross multiply
    7,574.95x = 11,365.31 × 2,645.09
  4. Step 4: Simplify right side
    7,574.95x = 30,062,260.23
  5. Step 5: Solve for x
    x = 30,062,260.23/7,574.95
  6. Step 6: Final answer
    x = 3,968.64

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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.