Home / 8,556.30-11,803.32-5,577.12

Finding the Fourth Proportional to 8,556.30, 11,803.32 and 5,577.12

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Solution

The fourth proportional to 8,556.30, 11,803.32 and 5,577.12 is: 7,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.30 : 11,803.32 = 5,577.12 : x
  2. Step 2: Convert to fraction form
    8,556.30/11,803.32 = 5,577.12/x
  3. Step 3: Cross multiply
    8,556.30x = 11,803.32 × 5,577.12
  4. Step 4: Simplify right side
    8,556.30x = 65,828,532.04
  5. Step 5: Solve for x
    x = 65,828,532.04/8,556.30
  6. Step 6: Final answer
    x = 7,693.57

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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.