Home / 9,489.30-13,089.84-5,946.36

Finding the Fourth Proportional to 9,489.30, 13,089.84 and 5,946.36

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Solution

The fourth proportional to 9,489.30, 13,089.84 and 5,946.36 is: 8,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.30 : 13,089.84 = 5,946.36 : x
  2. Step 2: Convert to fraction form
    9,489.30/13,089.84 = 5,946.36/x
  3. Step 3: Cross multiply
    9,489.30x = 13,089.84 × 5,946.36
  4. Step 4: Simplify right side
    9,489.30x = 77,836,900.98
  5. Step 5: Solve for x
    x = 77,836,900.98/9,489.30
  6. Step 6: Final answer
    x = 8,202.60

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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.