Home / 9,637.84-13,299.48-5,388.88

Finding the Fourth Proportional to 9,637.84, 13,299.48 and 5,388.88

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Solution

The fourth proportional to 9,637.84, 13,299.48 and 5,388.88 is: 7,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.84 : 13,299.48 = 5,388.88 : x
  2. Step 2: Convert to fraction form
    9,637.84/13,299.48 = 5,388.88/x
  3. Step 3: Cross multiply
    9,637.84x = 13,299.48 × 5,388.88
  4. Step 4: Simplify right side
    9,637.84x = 71,669,301.78
  5. Step 5: Solve for x
    x = 71,669,301.78/9,637.84
  6. Step 6: Final answer
    x = 7,436.24

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1.5x scale

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.