Home / 9,130.32-13,696.16-2,556.42

Finding the Fourth Proportional to 9,130.32, 13,696.16 and 2,556.42

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Solution

The fourth proportional to 9,130.32, 13,696.16 and 2,556.42 is: 3,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.32 : 13,696.16 = 2,556.42 : x
  2. Step 2: Convert to fraction form
    9,130.32/13,696.16 = 2,556.42/x
  3. Step 3: Cross multiply
    9,130.32x = 13,696.16 × 2,556.42
  4. Step 4: Simplify right side
    9,130.32x = 35,013,137.35
  5. Step 5: Solve for x
    x = 35,013,137.35/9,130.32
  6. Step 6: Final answer
    x = 3,834.82

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1.5x scale

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.