Home / 7,795.16-10,757.56-4,811.12

Finding the Fourth Proportional to 7,795.16, 10,757.56 and 4,811.12

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Solution

The fourth proportional to 7,795.16, 10,757.56 and 4,811.12 is: 6,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.16 : 10,757.56 = 4,811.12 : x
  2. Step 2: Convert to fraction form
    7,795.16/10,757.56 = 4,811.12/x
  3. Step 3: Cross multiply
    7,795.16x = 10,757.56 × 4,811.12
  4. Step 4: Simplify right side
    7,795.16x = 51,755,912.07
  5. Step 5: Solve for x
    x = 51,755,912.07/7,795.16
  6. Step 6: Final answer
    x = 6,639.49

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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.