Home / 7,346.08-10,137.48-3,988.84

Finding the Fourth Proportional to 7,346.08, 10,137.48 and 3,988.84

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Solution

The fourth proportional to 7,346.08, 10,137.48 and 3,988.84 is: 5,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.08 : 10,137.48 = 3,988.84 : x
  2. Step 2: Convert to fraction form
    7,346.08/10,137.48 = 3,988.84/x
  3. Step 3: Cross multiply
    7,346.08x = 10,137.48 × 3,988.84
  4. Step 4: Simplify right side
    7,346.08x = 40,436,785.72
  5. Step 5: Solve for x
    x = 40,436,785.72/7,346.08
  6. Step 6: Final answer
    x = 5,504.54

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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.