Home / 7,319.97-10,101.60-3,962.79

Finding the Fourth Proportional to 7,319.97, 10,101.60 and 3,962.79

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Solution

The fourth proportional to 7,319.97, 10,101.60 and 3,962.79 is: 5,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.97 : 10,101.60 = 3,962.79 : x
  2. Step 2: Convert to fraction form
    7,319.97/10,101.60 = 3,962.79/x
  3. Step 3: Cross multiply
    7,319.97x = 10,101.60 × 3,962.79
  4. Step 4: Simplify right side
    7,319.97x = 40,030,513.89
  5. Step 5: Solve for x
    x = 40,030,513.89/7,319.97
  6. Step 6: Final answer
    x = 5,468.67

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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.