Home / 7,665.80-11,513.27-4,764.38

Finding the Fourth Proportional to 7,665.80, 11,513.27 and 4,764.38

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Solution

The fourth proportional to 7,665.80, 11,513.27 and 4,764.38 is: 7,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.80 : 11,513.27 = 4,764.38 : x
  2. Step 2: Convert to fraction form
    7,665.80/11,513.27 = 4,764.38/x
  3. Step 3: Cross multiply
    7,665.80x = 11,513.27 × 4,764.38
  4. Step 4: Simplify right side
    7,665.80x = 54,853,547.67
  5. Step 5: Solve for x
    x = 54,853,547.67/7,665.80
  6. Step 6: Final answer
    x = 7,155.62

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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.