Home / 9,189.36-13,785.06-4,258.50

Finding the Fourth Proportional to 9,189.36, 13,785.06 and 4,258.50

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Solution

The fourth proportional to 9,189.36, 13,785.06 and 4,258.50 is: 6,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.36 : 13,785.06 = 4,258.50 : x
  2. Step 2: Convert to fraction form
    9,189.36/13,785.06 = 4,258.50/x
  3. Step 3: Cross multiply
    9,189.36x = 13,785.06 × 4,258.50
  4. Step 4: Simplify right side
    9,189.36x = 58,703,678.01
  5. Step 5: Solve for x
    x = 58,703,678.01/9,189.36
  6. Step 6: Final answer
    x = 6,388.22

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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.