Home / 7,855.92-10,841.84-4,319.76

Finding the Fourth Proportional to 7,855.92, 10,841.84 and 4,319.76

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Solution

The fourth proportional to 7,855.92, 10,841.84 and 4,319.76 is: 5,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.92 : 10,841.84 = 4,319.76 : x
  2. Step 2: Convert to fraction form
    7,855.92/10,841.84 = 4,319.76/x
  3. Step 3: Cross multiply
    7,855.92x = 10,841.84 × 4,319.76
  4. Step 4: Simplify right side
    7,855.92x = 46,834,146.76
  5. Step 5: Solve for x
    x = 46,834,146.76/7,855.92
  6. Step 6: Final answer
    x = 5,961.64

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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.