Home / 4,987.11-7,480.59-1,702.50

Finding the Fourth Proportional to 4,987.11, 7,480.59 and 1,702.50

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Solution

The fourth proportional to 4,987.11, 7,480.59 and 1,702.50 is: 2,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.11 : 7,480.59 = 1,702.50 : x
  2. Step 2: Convert to fraction form
    4,987.11/7,480.59 = 1,702.50/x
  3. Step 3: Cross multiply
    4,987.11x = 7,480.59 × 1,702.50
  4. Step 4: Simplify right side
    4,987.11x = 12,735,704.48
  5. Step 5: Solve for x
    x = 12,735,704.48/4,987.11
  6. Step 6: Final answer
    x = 2,553.72

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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.