Home / 8,051.29-11,110.91-5,219.80

Finding the Fourth Proportional to 8,051.29, 11,110.91 and 5,219.80

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Solution

The fourth proportional to 8,051.29, 11,110.91 and 5,219.80 is: 7,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.29 : 11,110.91 = 5,219.80 : x
  2. Step 2: Convert to fraction form
    8,051.29/11,110.91 = 5,219.80/x
  3. Step 3: Cross multiply
    8,051.29x = 11,110.91 × 5,219.80
  4. Step 4: Simplify right side
    8,051.29x = 57,996,674.14
  5. Step 5: Solve for x
    x = 57,996,674.14/8,051.29
  6. Step 6: Final answer
    x = 7,203.40

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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.