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Finding the Fourth Proportional to 7,495.47, 11,243.15 and 1,948.79

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Solution

The fourth proportional to 7,495.47, 11,243.15 and 1,948.79 is: 2,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.47 : 11,243.15 = 1,948.79 : x
  2. Step 2: Convert to fraction form
    7,495.47/11,243.15 = 1,948.79/x
  3. Step 3: Cross multiply
    7,495.47x = 11,243.15 × 1,948.79
  4. Step 4: Simplify right side
    7,495.47x = 21,910,574.92
  5. Step 5: Solve for x
    x = 21,910,574.92/7,495.47
  6. Step 6: Final answer
    x = 2,923.18

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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.