Home / 7,707.61-11,552.04-3,541.81

Finding the Fourth Proportional to 7,707.61, 11,552.04 and 3,541.81

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Solution

The fourth proportional to 7,707.61, 11,552.04 and 3,541.81 is: 5,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.61 : 11,552.04 = 3,541.81 : x
  2. Step 2: Convert to fraction form
    7,707.61/11,552.04 = 3,541.81/x
  3. Step 3: Cross multiply
    7,707.61x = 11,552.04 × 3,541.81
  4. Step 4: Simplify right side
    7,707.61x = 40,915,130.79
  5. Step 5: Solve for x
    x = 40,915,130.79/7,707.61
  6. Step 6: Final answer
    x = 5,308.41

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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.