Home / 4,258.93-6,388.53-1,485.90

Finding the Fourth Proportional to 4,258.93, 6,388.53 and 1,485.90

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Solution

The fourth proportional to 4,258.93, 6,388.53 and 1,485.90 is: 2,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.93 : 6,388.53 = 1,485.90 : x
  2. Step 2: Convert to fraction form
    4,258.93/6,388.53 = 1,485.90/x
  3. Step 3: Cross multiply
    4,258.93x = 6,388.53 × 1,485.90
  4. Step 4: Simplify right side
    4,258.93x = 9,492,684.78
  5. Step 5: Solve for x
    x = 9,492,684.78/4,258.93
  6. Step 6: Final answer
    x = 2,228.89

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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.