Home / 9,161.44-12,642.85-4,969.72

Finding the Fourth Proportional to 9,161.44, 12,642.85 and 4,969.72

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Solution

The fourth proportional to 9,161.44, 12,642.85 and 4,969.72 is: 6,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.44 : 12,642.85 = 4,969.72 : x
  2. Step 2: Convert to fraction form
    9,161.44/12,642.85 = 4,969.72/x
  3. Step 3: Cross multiply
    9,161.44x = 12,642.85 × 4,969.72
  4. Step 4: Simplify right side
    9,161.44x = 62,831,361.29
  5. Step 5: Solve for x
    x = 62,831,361.29/9,161.44
  6. Step 6: Final answer
    x = 6,858.24

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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.