Home / 8,966.91-13,450.35-5,680.92

Finding the Fourth Proportional to 8,966.91, 13,450.35 and 5,680.92

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Solution

The fourth proportional to 8,966.91, 13,450.35 and 5,680.92 is: 8,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.91 : 13,450.35 = 5,680.92 : x
  2. Step 2: Convert to fraction form
    8,966.91/13,450.35 = 5,680.92/x
  3. Step 3: Cross multiply
    8,966.91x = 13,450.35 × 5,680.92
  4. Step 4: Simplify right side
    8,966.91x = 76,410,362.32
  5. Step 5: Solve for x
    x = 76,410,362.32/8,966.91
  6. Step 6: Final answer
    x = 8,521.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.