Home / 7,521.73-10,380.36-4,164.91

Finding the Fourth Proportional to 7,521.73, 10,380.36 and 4,164.91

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Solution

The fourth proportional to 7,521.73, 10,380.36 and 4,164.91 is: 5,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.73 : 10,380.36 = 4,164.91 : x
  2. Step 2: Convert to fraction form
    7,521.73/10,380.36 = 4,164.91/x
  3. Step 3: Cross multiply
    7,521.73x = 10,380.36 × 4,164.91
  4. Step 4: Simplify right side
    7,521.73x = 43,233,267.81
  5. Step 5: Solve for x
    x = 43,233,267.81/7,521.73
  6. Step 6: Final answer
    x = 5,747.79

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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.