Home / 7,277.54-10,918.31-2,898.07

Finding the Fourth Proportional to 7,277.54, 10,918.31 and 2,898.07

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Solution

The fourth proportional to 7,277.54, 10,918.31 and 2,898.07 is: 4,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.54 : 10,918.31 = 2,898.07 : x
  2. Step 2: Convert to fraction form
    7,277.54/10,918.31 = 2,898.07/x
  3. Step 3: Cross multiply
    7,277.54x = 10,918.31 × 2,898.07
  4. Step 4: Simplify right side
    7,277.54x = 31,642,026.66
  5. Step 5: Solve for x
    x = 31,642,026.66/7,277.54
  6. Step 6: Final answer
    x = 4,347.90

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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.