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Finding the Fourth Proportional to 4,995.06, 7,501.10 and 4,786.08

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Solution

The fourth proportional to 4,995.06, 7,501.10 and 4,786.08 is: 7,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.06 : 7,501.10 = 4,786.08 : x
  2. Step 2: Convert to fraction form
    4,995.06/7,501.10 = 4,786.08/x
  3. Step 3: Cross multiply
    4,995.06x = 7,501.10 × 4,786.08
  4. Step 4: Simplify right side
    4,995.06x = 35,900,840.76
  5. Step 5: Solve for x
    x = 35,900,840.76/4,995.06
  6. Step 6: Final answer
    x = 7,187.27

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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.