Home / 8,767.36-13,160.40-4,879.36

Finding the Fourth Proportional to 8,767.36, 13,160.40 and 4,879.36

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Solution

The fourth proportional to 8,767.36, 13,160.40 and 4,879.36 is: 7,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.36 : 13,160.40 = 4,879.36 : x
  2. Step 2: Convert to fraction form
    8,767.36/13,160.40 = 4,879.36/x
  3. Step 3: Cross multiply
    8,767.36x = 13,160.40 × 4,879.36
  4. Step 4: Simplify right side
    8,767.36x = 64,214,329.34
  5. Step 5: Solve for x
    x = 64,214,329.34/8,767.36
  6. Step 6: Final answer
    x = 7,324.25

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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.