Home / 4,427.85-6,646.47-3,259.20

Finding the Fourth Proportional to 4,427.85, 6,646.47 and 3,259.20

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Solution

The fourth proportional to 4,427.85, 6,646.47 and 3,259.20 is: 4,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.85 : 6,646.47 = 3,259.20 : x
  2. Step 2: Convert to fraction form
    4,427.85/6,646.47 = 3,259.20/x
  3. Step 3: Cross multiply
    4,427.85x = 6,646.47 × 3,259.20
  4. Step 4: Simplify right side
    4,427.85x = 21,662,175.02
  5. Step 5: Solve for x
    x = 21,662,175.02/4,427.85
  6. Step 6: Final answer
    x = 4,892.26

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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.