Home / 5,615.58-7,748.88-3,258.18

Finding the Fourth Proportional to 5,615.58, 7,748.88 and 3,258.18

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Solution

The fourth proportional to 5,615.58, 7,748.88 and 3,258.18 is: 4,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.58 : 7,748.88 = 3,258.18 : x
  2. Step 2: Convert to fraction form
    5,615.58/7,748.88 = 3,258.18/x
  3. Step 3: Cross multiply
    5,615.58x = 7,748.88 × 3,258.18
  4. Step 4: Simplify right side
    5,615.58x = 25,247,245.84
  5. Step 5: Solve for x
    x = 25,247,245.84/5,615.58
  6. Step 6: Final answer
    x = 4,495.93

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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.