Home / 7,743.15-11,615.54-2,547.81

Finding the Fourth Proportional to 7,743.15, 11,615.54 and 2,547.81

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Solution

The fourth proportional to 7,743.15, 11,615.54 and 2,547.81 is: 3,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.15 : 11,615.54 = 2,547.81 : x
  2. Step 2: Convert to fraction form
    7,743.15/11,615.54 = 2,547.81/x
  3. Step 3: Cross multiply
    7,743.15x = 11,615.54 × 2,547.81
  4. Step 4: Simplify right side
    7,743.15x = 29,594,176.23
  5. Step 5: Solve for x
    x = 29,594,176.23/7,743.15
  6. Step 6: Final answer
    x = 3,821.98

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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.