Home / 4,879.51-7,319.49-1,592.80

Finding the Fourth Proportional to 4,879.51, 7,319.49 and 1,592.80

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Solution

The fourth proportional to 4,879.51, 7,319.49 and 1,592.80 is: 2,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.51 : 7,319.49 = 1,592.80 : x
  2. Step 2: Convert to fraction form
    4,879.51/7,319.49 = 1,592.80/x
  3. Step 3: Cross multiply
    4,879.51x = 7,319.49 × 1,592.80
  4. Step 4: Simplify right side
    4,879.51x = 11,658,483.67
  5. Step 5: Solve for x
    x = 11,658,483.67/4,879.51
  6. Step 6: Final answer
    x = 2,389.27

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Double scale
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Similar ratio
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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.