Home / 4,846.83-6,697.70-4,128.63

Finding the Fourth Proportional to 4,846.83, 6,697.70 and 4,128.63

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Solution

The fourth proportional to 4,846.83, 6,697.70 and 4,128.63 is: 5,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846.83 : 6,697.70 = 4,128.63 : x
  2. Step 2: Convert to fraction form
    4,846.83/6,697.70 = 4,128.63/x
  3. Step 3: Cross multiply
    4,846.83x = 6,697.70 × 4,128.63
  4. Step 4: Simplify right side
    4,846.83x = 27,652,325.15
  5. Step 5: Solve for x
    x = 27,652,325.15/4,846.83
  6. Step 6: Final answer
    x = 5,705.24

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Half scale
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Double scale
Find fourth proportional to 4,847.83, 6,699.08 and 4,129.63
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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.