Home / 9,278.32-13,917.36-2,258.35

Finding the Fourth Proportional to 9,278.32, 13,917.36 and 2,258.35

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Solution

The fourth proportional to 9,278.32, 13,917.36 and 2,258.35 is: 3,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.32 : 13,917.36 = 2,258.35 : x
  2. Step 2: Convert to fraction form
    9,278.32/13,917.36 = 2,258.35/x
  3. Step 3: Cross multiply
    9,278.32x = 13,917.36 × 2,258.35
  4. Step 4: Simplify right side
    9,278.32x = 31,430,200.37
  5. Step 5: Solve for x
    x = 31,430,200.37/9,278.32
  6. Step 6: Final answer
    x = 3,387.49

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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.