Home / 7,855.89-10,841.21-4,319.07

Finding the Fourth Proportional to 7,855.89, 10,841.21 and 4,319.07

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Solution

The fourth proportional to 7,855.89, 10,841.21 and 4,319.07 is: 5,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.89 : 10,841.21 = 4,319.07 : x
  2. Step 2: Convert to fraction form
    7,855.89/10,841.21 = 4,319.07/x
  3. Step 3: Cross multiply
    7,855.89x = 10,841.21 × 4,319.07
  4. Step 4: Simplify right side
    7,855.89x = 46,823,944.87
  5. Step 5: Solve for x
    x = 46,823,944.87/7,855.89
  6. Step 6: Final answer
    x = 5,960.36

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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.