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Finding the Fourth Proportional to 5,288.51, 7,927.18 and 1,775.18

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Solution

The fourth proportional to 5,288.51, 7,927.18 and 1,775.18 is: 2,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.51 : 7,927.18 = 1,775.18 : x
  2. Step 2: Convert to fraction form
    5,288.51/7,927.18 = 1,775.18/x
  3. Step 3: Cross multiply
    5,288.51x = 7,927.18 × 1,775.18
  4. Step 4: Simplify right side
    5,288.51x = 14,072,186.77
  5. Step 5: Solve for x
    x = 14,072,186.77/5,288.51
  6. Step 6: Final answer
    x = 2,660.90

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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.