Home / 9,840.36-13,579.28-5,364

Finding the Fourth Proportional to 9,840.36, 13,579.28 and 5,364

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Solution

The fourth proportional to 9,840.36, 13,579.28 and 5,364 is: 7,402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.36 : 13,579.28 = 5,364 : x
  2. Step 2: Convert to fraction form
    9,840.36/13,579.28 = 5,364/x
  3. Step 3: Cross multiply
    9,840.36x = 13,579.28 × 5,364
  4. Step 4: Simplify right side
    9,840.36x = 72,839,257.92
  5. Step 5: Solve for x
    x = 72,839,257.92/9,840.36
  6. Step 6: Final answer
    x = 7,402.09

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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.