Home / 9,422.05-13,001.47-5,444.45

Finding the Fourth Proportional to 9,422.05, 13,001.47 and 5,444.45

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Solution

The fourth proportional to 9,422.05, 13,001.47 and 5,444.45 is: 7,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.05 : 13,001.47 = 5,444.45 : x
  2. Step 2: Convert to fraction form
    9,422.05/13,001.47 = 5,444.45/x
  3. Step 3: Cross multiply
    9,422.05x = 13,001.47 × 5,444.45
  4. Step 4: Simplify right side
    9,422.05x = 70,785,774.72
  5. Step 5: Solve for x
    x = 70,785,774.72/9,422.05
  6. Step 6: Final answer
    x = 7,512.78

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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.