Home / 8,556.85-11,808.89-5,201.29

Finding the Fourth Proportional to 8,556.85, 11,808.89 and 5,201.29

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Solution

The fourth proportional to 8,556.85, 11,808.89 and 5,201.29 is: 7,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.85 : 11,808.89 = 5,201.29 : x
  2. Step 2: Convert to fraction form
    8,556.85/11,808.89 = 5,201.29/x
  3. Step 3: Cross multiply
    8,556.85x = 11,808.89 × 5,201.29
  4. Step 4: Simplify right side
    8,556.85x = 61,421,461.47
  5. Step 5: Solve for x
    x = 61,421,461.47/8,556.85
  6. Step 6: Final answer
    x = 7,178.05

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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.