Home / 4,480.32-6,719.58-4,258.03

Finding the Fourth Proportional to 4,480.32, 6,719.58 and 4,258.03

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Solution

The fourth proportional to 4,480.32, 6,719.58 and 4,258.03 is: 6,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.32 : 6,719.58 = 4,258.03 : x
  2. Step 2: Convert to fraction form
    4,480.32/6,719.58 = 4,258.03/x
  3. Step 3: Cross multiply
    4,480.32x = 6,719.58 × 4,258.03
  4. Step 4: Simplify right side
    4,480.32x = 28,612,188.90
  5. Step 5: Solve for x
    x = 28,612,188.90/4,480.32
  6. Step 6: Final answer
    x = 6,386.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.