Home / 4,702.51-6,489.03-2,813.73

Finding the Fourth Proportional to 4,702.51, 6,489.03 and 2,813.73

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Solution

The fourth proportional to 4,702.51, 6,489.03 and 2,813.73 is: 3,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.51 : 6,489.03 = 2,813.73 : x
  2. Step 2: Convert to fraction form
    4,702.51/6,489.03 = 2,813.73/x
  3. Step 3: Cross multiply
    4,702.51x = 6,489.03 × 2,813.73
  4. Step 4: Simplify right side
    4,702.51x = 18,258,378.38
  5. Step 5: Solve for x
    x = 18,258,378.38/4,702.51
  6. Step 6: Final answer
    x = 3,882.69

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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.