Home / 6,276.39-9,418.89-2,172.39

Finding the Fourth Proportional to 6,276.39, 9,418.89 and 2,172.39

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Solution

The fourth proportional to 6,276.39, 9,418.89 and 2,172.39 is: 3,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.39 : 9,418.89 = 2,172.39 : x
  2. Step 2: Convert to fraction form
    6,276.39/9,418.89 = 2,172.39/x
  3. Step 3: Cross multiply
    6,276.39x = 9,418.89 × 2,172.39
  4. Step 4: Simplify right side
    6,276.39x = 20,461,502.45
  5. Step 5: Solve for x
    x = 20,461,502.45/6,276.39
  6. Step 6: Final answer
    x = 3,260.08

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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.