Home / 8,357.18-12,531.84-3,088.56

Finding the Fourth Proportional to 8,357.18, 12,531.84 and 3,088.56

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Solution

The fourth proportional to 8,357.18, 12,531.84 and 3,088.56 is: 4,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.18 : 12,531.84 = 3,088.56 : x
  2. Step 2: Convert to fraction form
    8,357.18/12,531.84 = 3,088.56/x
  3. Step 3: Cross multiply
    8,357.18x = 12,531.84 × 3,088.56
  4. Step 4: Simplify right side
    8,357.18x = 38,705,339.75
  5. Step 5: Solve for x
    x = 38,705,339.75/8,357.18
  6. Step 6: Final answer
    x = 4,631.39

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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.