Home / 9,090.71-12,546.13-5,556.28

Finding the Fourth Proportional to 9,090.71, 12,546.13 and 5,556.28

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Solution

The fourth proportional to 9,090.71, 12,546.13 and 5,556.28 is: 7,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.71 : 12,546.13 = 5,556.28 : x
  2. Step 2: Convert to fraction form
    9,090.71/12,546.13 = 5,556.28/x
  3. Step 3: Cross multiply
    9,090.71x = 12,546.13 × 5,556.28
  4. Step 4: Simplify right side
    9,090.71x = 69,709,748.47
  5. Step 5: Solve for x
    x = 69,709,748.47/9,090.71
  6. Step 6: Final answer
    x = 7,668.24

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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.