Home / 4,702.85-6,488.97-2,712.89

Finding the Fourth Proportional to 4,702.85, 6,488.97 and 2,712.89

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Solution

The fourth proportional to 4,702.85, 6,488.97 and 2,712.89 is: 3,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.85 : 6,488.97 = 2,712.89 : x
  2. Step 2: Convert to fraction form
    4,702.85/6,488.97 = 2,712.89/x
  3. Step 3: Cross multiply
    4,702.85x = 6,488.97 × 2,712.89
  4. Step 4: Simplify right side
    4,702.85x = 17,603,861.82
  5. Step 5: Solve for x
    x = 17,603,861.82/4,702.85
  6. Step 6: Final answer
    x = 3,743.23

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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.