Home / 9,152.70-13,725-2,911.56

Finding the Fourth Proportional to 9,152.70, 13,725 and 2,911.56

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Solution

The fourth proportional to 9,152.70, 13,725 and 2,911.56 is: 4,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.70 : 13,725 = 2,911.56 : x
  2. Step 2: Convert to fraction form
    9,152.70/13,725 = 2,911.56/x
  3. Step 3: Cross multiply
    9,152.70x = 13,725 × 2,911.56
  4. Step 4: Simplify right side
    9,152.70x = 39,961,161
  5. Step 5: Solve for x
    x = 39,961,161/9,152.70
  6. Step 6: Final answer
    x = 4,366.05

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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.