Home / 4,879.62-7,319.40-1,592.70

Finding the Fourth Proportional to 4,879.62, 7,319.40 and 1,592.70

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Solution

The fourth proportional to 4,879.62, 7,319.40 and 1,592.70 is: 2,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.62 : 7,319.40 = 1,592.70 : x
  2. Step 2: Convert to fraction form
    4,879.62/7,319.40 = 1,592.70/x
  3. Step 3: Cross multiply
    4,879.62x = 7,319.40 × 1,592.70
  4. Step 4: Simplify right side
    4,879.62x = 11,657,608.38
  5. Step 5: Solve for x
    x = 11,657,608.38/4,879.62
  6. Step 6: Final answer
    x = 2,389.04

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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.