Home / 7,828.74-11,743.65-2,898.27

Finding the Fourth Proportional to 7,828.74, 11,743.65 and 2,898.27

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Solution

The fourth proportional to 7,828.74, 11,743.65 and 2,898.27 is: 4,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.74 : 11,743.65 = 2,898.27 : x
  2. Step 2: Convert to fraction form
    7,828.74/11,743.65 = 2,898.27/x
  3. Step 3: Cross multiply
    7,828.74x = 11,743.65 × 2,898.27
  4. Step 4: Simplify right side
    7,828.74x = 34,036,268.49
  5. Step 5: Solve for x
    x = 34,036,268.49/7,828.74
  6. Step 6: Final answer
    x = 4,347.60

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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.