Home / 8,047.08-11,103.48-5,178.33

Finding the Fourth Proportional to 8,047.08, 11,103.48 and 5,178.33

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Solution

The fourth proportional to 8,047.08, 11,103.48 and 5,178.33 is: 7,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.08 : 11,103.48 = 5,178.33 : x
  2. Step 2: Convert to fraction form
    8,047.08/11,103.48 = 5,178.33/x
  3. Step 3: Cross multiply
    8,047.08x = 11,103.48 × 5,178.33
  4. Step 4: Simplify right side
    8,047.08x = 57,497,483.59
  5. Step 5: Solve for x
    x = 57,497,483.59/8,047.08
  6. Step 6: Final answer
    x = 7,145.14

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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.