Home / 9,130.14-13,696.79-2,890.06

Finding the Fourth Proportional to 9,130.14, 13,696.79 and 2,890.06

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Solution

The fourth proportional to 9,130.14, 13,696.79 and 2,890.06 is: 4,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.14 : 13,696.79 = 2,890.06 : x
  2. Step 2: Convert to fraction form
    9,130.14/13,696.79 = 2,890.06/x
  3. Step 3: Cross multiply
    9,130.14x = 13,696.79 × 2,890.06
  4. Step 4: Simplify right side
    9,130.14x = 39,584,530.46
  5. Step 5: Solve for x
    x = 39,584,530.46/9,130.14
  6. Step 6: Final answer
    x = 4,335.59

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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.