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Finding the Fourth Proportional to 7,149.58, 10,705.80 and 4,935.25

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Solution

The fourth proportional to 7,149.58, 10,705.80 and 4,935.25 is: 7,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.58 : 10,705.80 = 4,935.25 : x
  2. Step 2: Convert to fraction form
    7,149.58/10,705.80 = 4,935.25/x
  3. Step 3: Cross multiply
    7,149.58x = 10,705.80 × 4,935.25
  4. Step 4: Simplify right side
    7,149.58x = 52,835,799.45
  5. Step 5: Solve for x
    x = 52,835,799.45/7,149.58
  6. Step 6: Final answer
    x = 7,390.06

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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.