Home / 9,130.87-13,698.33-2,805.79

Finding the Fourth Proportional to 9,130.87, 13,698.33 and 2,805.79

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Solution

The fourth proportional to 9,130.87, 13,698.33 and 2,805.79 is: 4,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.87 : 13,698.33 = 2,805.79 : x
  2. Step 2: Convert to fraction form
    9,130.87/13,698.33 = 2,805.79/x
  3. Step 3: Cross multiply
    9,130.87x = 13,698.33 × 2,805.79
  4. Step 4: Simplify right side
    9,130.87x = 38,434,618.02
  5. Step 5: Solve for x
    x = 38,434,618.02/9,130.87
  6. Step 6: Final answer
    x = 4,209.30

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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.