Home / 7,580.28-11,369.34-2,386.02

Finding the Fourth Proportional to 7,580.28, 11,369.34 and 2,386.02

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Solution

The fourth proportional to 7,580.28, 11,369.34 and 2,386.02 is: 3,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.28 : 11,369.34 = 2,386.02 : x
  2. Step 2: Convert to fraction form
    7,580.28/11,369.34 = 2,386.02/x
  3. Step 3: Cross multiply
    7,580.28x = 11,369.34 × 2,386.02
  4. Step 4: Simplify right side
    7,580.28x = 27,127,472.63
  5. Step 5: Solve for x
    x = 27,127,472.63/7,580.28
  6. Step 6: Final answer
    x = 3,578.69

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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.