Home / 9,130.40-13,695.63-2,556.62

Finding the Fourth Proportional to 9,130.40, 13,695.63 and 2,556.62

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Solution

The fourth proportional to 9,130.40, 13,695.63 and 2,556.62 is: 3,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.40 : 13,695.63 = 2,556.62 : x
  2. Step 2: Convert to fraction form
    9,130.40/13,695.63 = 2,556.62/x
  3. Step 3: Cross multiply
    9,130.40x = 13,695.63 × 2,556.62
  4. Step 4: Simplify right side
    9,130.40x = 35,014,521.57
  5. Step 5: Solve for x
    x = 35,014,521.57/9,130.40
  6. Step 6: Final answer
    x = 3,834.94

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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.