Home / 7,511.20-10,365.05-4,153.82

Finding the Fourth Proportional to 7,511.20, 10,365.05 and 4,153.82

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Solution

The fourth proportional to 7,511.20, 10,365.05 and 4,153.82 is: 5,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.20 : 10,365.05 = 4,153.82 : x
  2. Step 2: Convert to fraction form
    7,511.20/10,365.05 = 4,153.82/x
  3. Step 3: Cross multiply
    7,511.20x = 10,365.05 × 4,153.82
  4. Step 4: Simplify right side
    7,511.20x = 43,054,568.85
  5. Step 5: Solve for x
    x = 43,054,568.85/7,511.20
  6. Step 6: Final answer
    x = 5,732.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.