Home / 7,569.06-11,358.81-2,638.74

Finding the Fourth Proportional to 7,569.06, 11,358.81 and 2,638.74

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Solution

The fourth proportional to 7,569.06, 11,358.81 and 2,638.74 is: 3,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.06 : 11,358.81 = 2,638.74 : x
  2. Step 2: Convert to fraction form
    7,569.06/11,358.81 = 2,638.74/x
  3. Step 3: Cross multiply
    7,569.06x = 11,358.81 × 2,638.74
  4. Step 4: Simplify right side
    7,569.06x = 29,972,946.30
  5. Step 5: Solve for x
    x = 29,972,946.30/7,569.06
  6. Step 6: Final answer
    x = 3,959.93

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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.