Home / 9,845.88-13,587.64-5,370

Finding the Fourth Proportional to 9,845.88, 13,587.64 and 5,370

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Solution

The fourth proportional to 9,845.88, 13,587.64 and 5,370 is: 7,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.88 : 13,587.64 = 5,370 : x
  2. Step 2: Convert to fraction form
    9,845.88/13,587.64 = 5,370/x
  3. Step 3: Cross multiply
    9,845.88x = 13,587.64 × 5,370
  4. Step 4: Simplify right side
    9,845.88x = 72,965,626.80
  5. Step 5: Solve for x
    x = 72,965,626.80/9,845.88
  6. Step 6: Final answer
    x = 7,410.78

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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.