Home / 7,653.89-11,474.46-5,318.43

Finding the Fourth Proportional to 7,653.89, 11,474.46 and 5,318.43

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Solution

The fourth proportional to 7,653.89, 11,474.46 and 5,318.43 is: 7,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.89 : 11,474.46 = 5,318.43 : x
  2. Step 2: Convert to fraction form
    7,653.89/11,474.46 = 5,318.43/x
  3. Step 3: Cross multiply
    7,653.89x = 11,474.46 × 5,318.43
  4. Step 4: Simplify right side
    7,653.89x = 61,026,166.08
  5. Step 5: Solve for x
    x = 61,026,166.08/7,653.89
  6. Step 6: Final answer
    x = 7,973.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.