Home / 4,187.31-6,279.48-1,224.96

Finding the Fourth Proportional to 4,187.31, 6,279.48 and 1,224.96

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Solution

The fourth proportional to 4,187.31, 6,279.48 and 1,224.96 is: 1,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.31 : 6,279.48 = 1,224.96 : x
  2. Step 2: Convert to fraction form
    4,187.31/6,279.48 = 1,224.96/x
  3. Step 3: Cross multiply
    4,187.31x = 6,279.48 × 1,224.96
  4. Step 4: Simplify right side
    4,187.31x = 7,692,111.82
  5. Step 5: Solve for x
    x = 7,692,111.82/4,187.31
  6. Step 6: Final answer
    x = 1,837.01

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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.