Home / 7,712.61-11,567.52-2,164.59

Finding the Fourth Proportional to 7,712.61, 11,567.52 and 2,164.59

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Solution

The fourth proportional to 7,712.61, 11,567.52 and 2,164.59 is: 3,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.61 : 11,567.52 = 2,164.59 : x
  2. Step 2: Convert to fraction form
    7,712.61/11,567.52 = 2,164.59/x
  3. Step 3: Cross multiply
    7,712.61x = 11,567.52 × 2,164.59
  4. Step 4: Simplify right side
    7,712.61x = 25,038,938.12
  5. Step 5: Solve for x
    x = 25,038,938.12/7,712.61
  6. Step 6: Final answer
    x = 3,246.49

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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.