Home / 9,130.89-13,696.38-2,557.11

Finding the Fourth Proportional to 9,130.89, 13,696.38 and 2,557.11

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Solution

The fourth proportional to 9,130.89, 13,696.38 and 2,557.11 is: 3,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.89 : 13,696.38 = 2,557.11 : x
  2. Step 2: Convert to fraction form
    9,130.89/13,696.38 = 2,557.11/x
  3. Step 3: Cross multiply
    9,130.89x = 13,696.38 × 2,557.11
  4. Step 4: Simplify right side
    9,130.89x = 35,023,150.26
  5. Step 5: Solve for x
    x = 35,023,150.26/9,130.89
  6. Step 6: Final answer
    x = 3,835.68

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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.