Home / 7,855.91-10,841.01-4,319.05

Finding the Fourth Proportional to 7,855.91, 10,841.01 and 4,319.05

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Solution

The fourth proportional to 7,855.91, 10,841.01 and 4,319.05 is: 5,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.91 : 10,841.01 = 4,319.05 : x
  2. Step 2: Convert to fraction form
    7,855.91/10,841.01 = 4,319.05/x
  3. Step 3: Cross multiply
    7,855.91x = 10,841.01 × 4,319.05
  4. Step 4: Simplify right side
    7,855.91x = 46,822,864.24
  5. Step 5: Solve for x
    x = 46,822,864.24/7,855.91
  6. Step 6: Final answer
    x = 5,960.21

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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.