Home / 8,764.48-13,149.44-5,258.40

Finding the Fourth Proportional to 8,764.48, 13,149.44 and 5,258.40

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Solution

The fourth proportional to 8,764.48, 13,149.44 and 5,258.40 is: 7,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.48 : 13,149.44 = 5,258.40 : x
  2. Step 2: Convert to fraction form
    8,764.48/13,149.44 = 5,258.40/x
  3. Step 3: Cross multiply
    8,764.48x = 13,149.44 × 5,258.40
  4. Step 4: Simplify right side
    8,764.48x = 69,145,015.30
  5. Step 5: Solve for x
    x = 69,145,015.30/8,764.48
  6. Step 6: Final answer
    x = 7,889.23

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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.