Home / 5,318.75-7,340.13-2,960.84

Finding the Fourth Proportional to 5,318.75, 7,340.13 and 2,960.84

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Solution

The fourth proportional to 5,318.75, 7,340.13 and 2,960.84 is: 4,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.75 : 7,340.13 = 2,960.84 : x
  2. Step 2: Convert to fraction form
    5,318.75/7,340.13 = 2,960.84/x
  3. Step 3: Cross multiply
    5,318.75x = 7,340.13 × 2,960.84
  4. Step 4: Simplify right side
    5,318.75x = 21,732,913.81
  5. Step 5: Solve for x
    x = 21,732,913.81/5,318.75
  6. Step 6: Final answer
    x = 4,086.10

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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.