Home / 7,619.73-10,513.63-4,474.23

Finding the Fourth Proportional to 7,619.73, 10,513.63 and 4,474.23

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Solution

The fourth proportional to 7,619.73, 10,513.63 and 4,474.23 is: 6,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.73 : 10,513.63 = 4,474.23 : x
  2. Step 2: Convert to fraction form
    7,619.73/10,513.63 = 4,474.23/x
  3. Step 3: Cross multiply
    7,619.73x = 10,513.63 × 4,474.23
  4. Step 4: Simplify right side
    7,619.73x = 47,040,398.75
  5. Step 5: Solve for x
    x = 47,040,398.75/7,619.73
  6. Step 6: Final answer
    x = 6,173.50

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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.