Home / 4,780.20-7,168.14-1,702.28

Finding the Fourth Proportional to 4,780.20, 7,168.14 and 1,702.28

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Solution

The fourth proportional to 4,780.20, 7,168.14 and 1,702.28 is: 2,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.20 : 7,168.14 = 1,702.28 : x
  2. Step 2: Convert to fraction form
    4,780.20/7,168.14 = 1,702.28/x
  3. Step 3: Cross multiply
    4,780.20x = 7,168.14 × 1,702.28
  4. Step 4: Simplify right side
    4,780.20x = 12,202,181.36
  5. Step 5: Solve for x
    x = 12,202,181.36/4,780.20
  6. Step 6: Final answer
    x = 2,552.65

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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.