Home / 9,055.30-13,579.61-3,130.66

Finding the Fourth Proportional to 9,055.30, 13,579.61 and 3,130.66

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Solution

The fourth proportional to 9,055.30, 13,579.61 and 3,130.66 is: 4,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.30 : 13,579.61 = 3,130.66 : x
  2. Step 2: Convert to fraction form
    9,055.30/13,579.61 = 3,130.66/x
  3. Step 3: Cross multiply
    9,055.30x = 13,579.61 × 3,130.66
  4. Step 4: Simplify right side
    9,055.30x = 42,513,141.84
  5. Step 5: Solve for x
    x = 42,513,141.84/9,055.30
  6. Step 6: Final answer
    x = 4,694.84

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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.