Home / 4,987.36-7,480.97-1,702.74

Finding the Fourth Proportional to 4,987.36, 7,480.97 and 1,702.74

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Solution

The fourth proportional to 4,987.36, 7,480.97 and 1,702.74 is: 2,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.36 : 7,480.97 = 1,702.74 : x
  2. Step 2: Convert to fraction form
    4,987.36/7,480.97 = 1,702.74/x
  3. Step 3: Cross multiply
    4,987.36x = 7,480.97 × 1,702.74
  4. Step 4: Simplify right side
    4,987.36x = 12,738,146.86
  5. Step 5: Solve for x
    x = 12,738,146.86/4,987.36
  6. Step 6: Final answer
    x = 2,554.09

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1.5x scale

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.