Home / 6,328.47-8,720.96-4,556.73

Finding the Fourth Proportional to 6,328.47, 8,720.96 and 4,556.73

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Solution

The fourth proportional to 6,328.47, 8,720.96 and 4,556.73 is: 6,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.47 : 8,720.96 = 4,556.73 : x
  2. Step 2: Convert to fraction form
    6,328.47/8,720.96 = 4,556.73/x
  3. Step 3: Cross multiply
    6,328.47x = 8,720.96 × 4,556.73
  4. Step 4: Simplify right side
    6,328.47x = 39,739,037.28
  5. Step 5: Solve for x
    x = 39,739,037.28/6,328.47
  6. Step 6: Final answer
    x = 6,279.41

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Half scale
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Double scale
Find fourth proportional to 6,329.47, 8,722.33 and 4,557.73
Similar ratio
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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.