Home / 4,258.52-6,387.80-1,485.18

Finding the Fourth Proportional to 4,258.52, 6,387.80 and 1,485.18

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Solution

The fourth proportional to 4,258.52, 6,387.80 and 1,485.18 is: 2,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.52 : 6,387.80 = 1,485.18 : x
  2. Step 2: Convert to fraction form
    4,258.52/6,387.80 = 1,485.18/x
  3. Step 3: Cross multiply
    4,258.52x = 6,387.80 × 1,485.18
  4. Step 4: Simplify right side
    4,258.52x = 9,487,000.87
  5. Step 5: Solve for x
    x = 9,487,000.87/4,258.52
  6. Step 6: Final answer
    x = 2,227.77

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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.