Home / 5,615.92-7,751.06-3,258.21

Finding the Fourth Proportional to 5,615.92, 7,751.06 and 3,258.21

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Solution

The fourth proportional to 5,615.92, 7,751.06 and 3,258.21 is: 4,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.92 : 7,751.06 = 3,258.21 : x
  2. Step 2: Convert to fraction form
    5,615.92/7,751.06 = 3,258.21/x
  3. Step 3: Cross multiply
    5,615.92x = 7,751.06 × 3,258.21
  4. Step 4: Simplify right side
    5,615.92x = 25,254,581.20
  5. Step 5: Solve for x
    x = 25,254,581.20/5,615.92
  6. Step 6: Final answer
    x = 4,496.96

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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.