Home / 7,374.56-10,174.88-5,133.92

Finding the Fourth Proportional to 7,374.56, 10,174.88 and 5,133.92

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Solution

The fourth proportional to 7,374.56, 10,174.88 and 5,133.92 is: 7,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.56 : 10,174.88 = 5,133.92 : x
  2. Step 2: Convert to fraction form
    7,374.56/10,174.88 = 5,133.92/x
  3. Step 3: Cross multiply
    7,374.56x = 10,174.88 × 5,133.92
  4. Step 4: Simplify right side
    7,374.56x = 52,237,019.93
  5. Step 5: Solve for x
    x = 52,237,019.93/7,374.56
  6. Step 6: Final answer
    x = 7,083.41

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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.