Home / 8,480.21-11,702.88-4,703.18

Finding the Fourth Proportional to 8,480.21, 11,702.88 and 4,703.18

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Solution

The fourth proportional to 8,480.21, 11,702.88 and 4,703.18 is: 6,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.21 : 11,702.88 = 4,703.18 : x
  2. Step 2: Convert to fraction form
    8,480.21/11,702.88 = 4,703.18/x
  3. Step 3: Cross multiply
    8,480.21x = 11,702.88 × 4,703.18
  4. Step 4: Simplify right side
    8,480.21x = 55,040,692.64
  5. Step 5: Solve for x
    x = 55,040,692.64/8,480.21
  6. Step 6: Final answer
    x = 6,490.49

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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.