Home / 7,513.62-10,368.07-4,155.97

Finding the Fourth Proportional to 7,513.62, 10,368.07 and 4,155.97

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Solution

The fourth proportional to 7,513.62, 10,368.07 and 4,155.97 is: 5,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.62 : 10,368.07 = 4,155.97 : x
  2. Step 2: Convert to fraction form
    7,513.62/10,368.07 = 4,155.97/x
  3. Step 3: Cross multiply
    7,513.62x = 10,368.07 × 4,155.97
  4. Step 4: Simplify right side
    7,513.62x = 43,089,351.57
  5. Step 5: Solve for x
    x = 43,089,351.57/7,513.62
  6. Step 6: Final answer
    x = 5,734.83

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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.