Home / 7,942.74-10,961.14-4,756.18

Finding the Fourth Proportional to 7,942.74, 10,961.14 and 4,756.18

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Solution

The fourth proportional to 7,942.74, 10,961.14 and 4,756.18 is: 6,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.74 : 10,961.14 = 4,756.18 : x
  2. Step 2: Convert to fraction form
    7,942.74/10,961.14 = 4,756.18/x
  3. Step 3: Cross multiply
    7,942.74x = 10,961.14 × 4,756.18
  4. Step 4: Simplify right side
    7,942.74x = 52,133,100.04
  5. Step 5: Solve for x
    x = 52,133,100.04/7,942.74
  6. Step 6: Final answer
    x = 6,563.62

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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.