Home / 7,960.64-10,986.68-4,816.84

Finding the Fourth Proportional to 7,960.64, 10,986.68 and 4,816.84

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Solution

The fourth proportional to 7,960.64, 10,986.68 and 4,816.84 is: 6,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.64 : 10,986.68 = 4,816.84 : x
  2. Step 2: Convert to fraction form
    7,960.64/10,986.68 = 4,816.84/x
  3. Step 3: Cross multiply
    7,960.64x = 10,986.68 × 4,816.84
  4. Step 4: Simplify right side
    7,960.64x = 52,921,079.69
  5. Step 5: Solve for x
    x = 52,921,079.69/7,960.64
  6. Step 6: Final answer
    x = 6,647.84

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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.