Home / 9,738.84-13,439.60-5,262.60

Finding the Fourth Proportional to 9,738.84, 13,439.60 and 5,262.60

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Solution

The fourth proportional to 9,738.84, 13,439.60 and 5,262.60 is: 7,262.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.84 : 13,439.60 = 5,262.60 : x
  2. Step 2: Convert to fraction form
    9,738.84/13,439.60 = 5,262.60/x
  3. Step 3: Cross multiply
    9,738.84x = 13,439.60 × 5,262.60
  4. Step 4: Simplify right side
    9,738.84x = 70,727,238.96
  5. Step 5: Solve for x
    x = 70,727,238.96/9,738.84
  6. Step 6: Final answer
    x = 7,262.39

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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.