Home / 7,436.09-10,261.73-4,078.74

Finding the Fourth Proportional to 7,436.09, 10,261.73 and 4,078.74

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Solution

The fourth proportional to 7,436.09, 10,261.73 and 4,078.74 is: 5,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.09 : 10,261.73 = 4,078.74 : x
  2. Step 2: Convert to fraction form
    7,436.09/10,261.73 = 4,078.74/x
  3. Step 3: Cross multiply
    7,436.09x = 10,261.73 × 4,078.74
  4. Step 4: Simplify right side
    7,436.09x = 41,854,908.23
  5. Step 5: Solve for x
    x = 41,854,908.23/7,436.09
  6. Step 6: Final answer
    x = 5,628.62

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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.