Home / 5,615.19-8,422.67-2,494.35

Finding the Fourth Proportional to 5,615.19, 8,422.67 and 2,494.35

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Solution

The fourth proportional to 5,615.19, 8,422.67 and 2,494.35 is: 3,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.19 : 8,422.67 = 2,494.35 : x
  2. Step 2: Convert to fraction form
    5,615.19/8,422.67 = 2,494.35/x
  3. Step 3: Cross multiply
    5,615.19x = 8,422.67 × 2,494.35
  4. Step 4: Simplify right side
    5,615.19x = 21,009,093.15
  5. Step 5: Solve for x
    x = 21,009,093.15/5,615.19
  6. Step 6: Final answer
    x = 3,741.48

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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.