Home / 3,904-5,387.52-3,573.52

Finding the Fourth Proportional to 3,904, 5,387.52 and 3,573.52

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Solution

The fourth proportional to 3,904, 5,387.52 and 3,573.52 is: 4,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904 : 5,387.52 = 3,573.52 : x
  2. Step 2: Convert to fraction form
    3,904/5,387.52 = 3,573.52/x
  3. Step 3: Cross multiply
    3,904x = 5,387.52 × 3,573.52
  4. Step 4: Simplify right side
    3,904x = 19,252,410.47
  5. Step 5: Solve for x
    x = 19,252,410.47/3,904
  6. Step 6: Final answer
    x = 4,931.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.