Home / 10,480.59-15,721.54-3,904.55

Finding the Fourth Proportional to 10,480.59, 15,721.54 and 3,904.55

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Solution

The fourth proportional to 10,480.59, 15,721.54 and 3,904.55 is: 5,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.59 : 15,721.54 = 3,904.55 : x
  2. Step 2: Convert to fraction form
    10,480.59/15,721.54 = 3,904.55/x
  3. Step 3: Cross multiply
    10,480.59x = 15,721.54 × 3,904.55
  4. Step 4: Simplify right side
    10,480.59x = 61,385,619.99
  5. Step 5: Solve for x
    x = 61,385,619.99/10,480.59
  6. Step 6: Final answer
    x = 5,857.08

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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.