Home / 7,856.39-10,841.77-4,453.38

Finding the Fourth Proportional to 7,856.39, 10,841.77 and 4,453.38

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Solution

The fourth proportional to 7,856.39, 10,841.77 and 4,453.38 is: 6,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.39 : 10,841.77 = 4,453.38 : x
  2. Step 2: Convert to fraction form
    7,856.39/10,841.77 = 4,453.38/x
  3. Step 3: Cross multiply
    7,856.39x = 10,841.77 × 4,453.38
  4. Step 4: Simplify right side
    7,856.39x = 48,282,499.42
  5. Step 5: Solve for x
    x = 48,282,499.42/7,856.39
  6. Step 6: Final answer
    x = 6,145.63

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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.