Home / 8,955.59-13,427.91-3,688.97

Finding the Fourth Proportional to 8,955.59, 13,427.91 and 3,688.97

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Solution

The fourth proportional to 8,955.59, 13,427.91 and 3,688.97 is: 5,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.59 : 13,427.91 = 3,688.97 : x
  2. Step 2: Convert to fraction form
    8,955.59/13,427.91 = 3,688.97/x
  3. Step 3: Cross multiply
    8,955.59x = 13,427.91 × 3,688.97
  4. Step 4: Simplify right side
    8,955.59x = 49,535,090.01
  5. Step 5: Solve for x
    x = 49,535,090.01/8,955.59
  6. Step 6: Final answer
    x = 5,531.20

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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.