Home / 9,102.18-13,631.40-5,194.74

Finding the Fourth Proportional to 9,102.18, 13,631.40 and 5,194.74

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Solution

The fourth proportional to 9,102.18, 13,631.40 and 5,194.74 is: 7,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.18 : 13,631.40 = 5,194.74 : x
  2. Step 2: Convert to fraction form
    9,102.18/13,631.40 = 5,194.74/x
  3. Step 3: Cross multiply
    9,102.18x = 13,631.40 × 5,194.74
  4. Step 4: Simplify right side
    9,102.18x = 70,811,578.84
  5. Step 5: Solve for x
    x = 70,811,578.84/9,102.18
  6. Step 6: Final answer
    x = 7,779.63

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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.