Home / 7,091.97-10,636.53-6,740.70

Finding the Fourth Proportional to 7,091.97, 10,636.53 and 6,740.70

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Solution

The fourth proportional to 7,091.97, 10,636.53 and 6,740.70 is: 10,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.97 : 10,636.53 = 6,740.70 : x
  2. Step 2: Convert to fraction form
    7,091.97/10,636.53 = 6,740.70/x
  3. Step 3: Cross multiply
    7,091.97x = 10,636.53 × 6,740.70
  4. Step 4: Simplify right side
    7,091.97x = 71,697,657.77
  5. Step 5: Solve for x
    x = 71,697,657.77/7,091.97
  6. Step 6: Final answer
    x = 10,109.70

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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.