Home / 5,608.77-7,740.32-3,251.67

Finding the Fourth Proportional to 5,608.77, 7,740.32 and 3,251.67

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Solution

The fourth proportional to 5,608.77, 7,740.32 and 3,251.67 is: 4,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.77 : 7,740.32 = 3,251.67 : x
  2. Step 2: Convert to fraction form
    5,608.77/7,740.32 = 3,251.67/x
  3. Step 3: Cross multiply
    5,608.77x = 7,740.32 × 3,251.67
  4. Step 4: Simplify right side
    5,608.77x = 25,168,966.33
  5. Step 5: Solve for x
    x = 25,168,966.33/5,608.77
  6. Step 6: Final answer
    x = 4,487.43

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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.