Home / 7,686.81-11,531.16-3,301.74

Finding the Fourth Proportional to 7,686.81, 11,531.16 and 3,301.74

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Solution

The fourth proportional to 7,686.81, 11,531.16 and 3,301.74 is: 4,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.81 : 11,531.16 = 3,301.74 : x
  2. Step 2: Convert to fraction form
    7,686.81/11,531.16 = 3,301.74/x
  3. Step 3: Cross multiply
    7,686.81x = 11,531.16 × 3,301.74
  4. Step 4: Simplify right side
    7,686.81x = 38,072,892.22
  5. Step 5: Solve for x
    x = 38,072,892.22/7,686.81
  6. Step 6: Final answer
    x = 4,953.02

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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.