Home / 9,130.60-13,696.38-2,891.27

Finding the Fourth Proportional to 9,130.60, 13,696.38 and 2,891.27

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Solution

The fourth proportional to 9,130.60, 13,696.38 and 2,891.27 is: 4,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.60 : 13,696.38 = 2,891.27 : x
  2. Step 2: Convert to fraction form
    9,130.60/13,696.38 = 2,891.27/x
  3. Step 3: Cross multiply
    9,130.60x = 13,696.38 × 2,891.27
  4. Step 4: Simplify right side
    9,130.60x = 39,599,966.84
  5. Step 5: Solve for x
    x = 39,599,966.84/9,130.60
  6. Step 6: Final answer
    x = 4,337.06

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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.