Home / 9,418.32-12,997.26-5,439.33

Finding the Fourth Proportional to 9,418.32, 12,997.26 and 5,439.33

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Solution

The fourth proportional to 9,418.32, 12,997.26 and 5,439.33 is: 7,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.32 : 12,997.26 = 5,439.33 : x
  2. Step 2: Convert to fraction form
    9,418.32/12,997.26 = 5,439.33/x
  3. Step 3: Cross multiply
    9,418.32x = 12,997.26 × 5,439.33
  4. Step 4: Simplify right side
    9,418.32x = 70,696,386.24
  5. Step 5: Solve for x
    x = 70,696,386.24/9,418.32
  6. Step 6: Final answer
    x = 7,506.26

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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.