Home / 7,988.46-11,981.58-3,059.34

Finding the Fourth Proportional to 7,988.46, 11,981.58 and 3,059.34

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Solution

The fourth proportional to 7,988.46, 11,981.58 and 3,059.34 is: 4,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.46 : 11,981.58 = 3,059.34 : x
  2. Step 2: Convert to fraction form
    7,988.46/11,981.58 = 3,059.34/x
  3. Step 3: Cross multiply
    7,988.46x = 11,981.58 × 3,059.34
  4. Step 4: Simplify right side
    7,988.46x = 36,655,726.96
  5. Step 5: Solve for x
    x = 36,655,726.96/7,988.46
  6. Step 6: Final answer
    x = 4,588.58

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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.