Home / 5,318.37-7,338.89-2,927.84

Finding the Fourth Proportional to 5,318.37, 7,338.89 and 2,927.84

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Solution

The fourth proportional to 5,318.37, 7,338.89 and 2,927.84 is: 4,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.37 : 7,338.89 = 2,927.84 : x
  2. Step 2: Convert to fraction form
    5,318.37/7,338.89 = 2,927.84/x
  3. Step 3: Cross multiply
    5,318.37x = 7,338.89 × 2,927.84
  4. Step 4: Simplify right side
    5,318.37x = 21,487,044.36
  5. Step 5: Solve for x
    x = 21,487,044.36/5,318.37
  6. Step 6: Final answer
    x = 4,040.16

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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.