Home / 9,422.78-13,005.36-5,443.35

Finding the Fourth Proportional to 9,422.78, 13,005.36 and 5,443.35

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Solution

The fourth proportional to 9,422.78, 13,005.36 and 5,443.35 is: 7,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.78 : 13,005.36 = 5,443.35 : x
  2. Step 2: Convert to fraction form
    9,422.78/13,005.36 = 5,443.35/x
  3. Step 3: Cross multiply
    9,422.78x = 13,005.36 × 5,443.35
  4. Step 4: Simplify right side
    9,422.78x = 70,792,750.74
  5. Step 5: Solve for x
    x = 70,792,750.74/9,422.78
  6. Step 6: Final answer
    x = 7,512.94

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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.