Home / 7,088.76-10,630.44-2,156.88

Finding the Fourth Proportional to 7,088.76, 10,630.44 and 2,156.88

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Solution

The fourth proportional to 7,088.76, 10,630.44 and 2,156.88 is: 3,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.76 : 10,630.44 = 2,156.88 : x
  2. Step 2: Convert to fraction form
    7,088.76/10,630.44 = 2,156.88/x
  3. Step 3: Cross multiply
    7,088.76x = 10,630.44 × 2,156.88
  4. Step 4: Simplify right side
    7,088.76x = 22,928,583.43
  5. Step 5: Solve for x
    x = 22,928,583.43/7,088.76
  6. Step 6: Final answer
    x = 3,234.50

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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.