Home / 9,130.19-13,695.28-2,556.43

Finding the Fourth Proportional to 9,130.19, 13,695.28 and 2,556.43

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Solution

The fourth proportional to 9,130.19, 13,695.28 and 2,556.43 is: 3,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.19 : 13,695.28 = 2,556.43 : x
  2. Step 2: Convert to fraction form
    9,130.19/13,695.28 = 2,556.43/x
  3. Step 3: Cross multiply
    9,130.19x = 13,695.28 × 2,556.43
  4. Step 4: Simplify right side
    9,130.19x = 35,010,984.02
  5. Step 5: Solve for x
    x = 35,010,984.02/9,130.19
  6. Step 6: Final answer
    x = 3,834.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.