Home / 7,431.06-11,132.92-4,657.21

Finding the Fourth Proportional to 7,431.06, 11,132.92 and 4,657.21

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Solution

The fourth proportional to 7,431.06, 11,132.92 and 4,657.21 is: 6,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.06 : 11,132.92 = 4,657.21 : x
  2. Step 2: Convert to fraction form
    7,431.06/11,132.92 = 4,657.21/x
  3. Step 3: Cross multiply
    7,431.06x = 11,132.92 × 4,657.21
  4. Step 4: Simplify right side
    7,431.06x = 51,848,346.35
  5. Step 5: Solve for x
    x = 51,848,346.35/7,431.06
  6. Step 6: Final answer
    x = 6,977.25

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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.