Home / 7,444.29-10,272.66-4,087.09

Finding the Fourth Proportional to 7,444.29, 10,272.66 and 4,087.09

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Solution

The fourth proportional to 7,444.29, 10,272.66 and 4,087.09 is: 5,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.29 : 10,272.66 = 4,087.09 : x
  2. Step 2: Convert to fraction form
    7,444.29/10,272.66 = 4,087.09/x
  3. Step 3: Cross multiply
    7,444.29x = 10,272.66 × 4,087.09
  4. Step 4: Simplify right side
    7,444.29x = 41,985,234.60
  5. Step 5: Solve for x
    x = 41,985,234.60/7,444.29
  6. Step 6: Final answer
    x = 5,639.92

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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.