Home / 7,855.80-10,841.14-4,319.34

Finding the Fourth Proportional to 7,855.80, 10,841.14 and 4,319.34

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Solution

The fourth proportional to 7,855.80, 10,841.14 and 4,319.34 is: 5,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.80 : 10,841.14 = 4,319.34 : x
  2. Step 2: Convert to fraction form
    7,855.80/10,841.14 = 4,319.34/x
  3. Step 3: Cross multiply
    7,855.80x = 10,841.14 × 4,319.34
  4. Step 4: Simplify right side
    7,855.80x = 46,826,569.65
  5. Step 5: Solve for x
    x = 46,826,569.65/7,855.80
  6. Step 6: Final answer
    x = 5,960.76

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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.