Home / 7,946.15-10,940.58-6,998.45

Finding the Fourth Proportional to 7,946.15, 10,940.58 and 6,998.45

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Solution

The fourth proportional to 7,946.15, 10,940.58 and 6,998.45 is: 9,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.15 : 10,940.58 = 6,998.45 : x
  2. Step 2: Convert to fraction form
    7,946.15/10,940.58 = 6,998.45/x
  3. Step 3: Cross multiply
    7,946.15x = 10,940.58 × 6,998.45
  4. Step 4: Simplify right side
    7,946.15x = 76,567,047.40
  5. Step 5: Solve for x
    x = 76,567,047.40/7,946.15
  6. Step 6: Final answer
    x = 9,635.75

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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.