Home / 7,141.13-9,855.91-4,269.66

Finding the Fourth Proportional to 7,141.13, 9,855.91 and 4,269.66

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Solution

The fourth proportional to 7,141.13, 9,855.91 and 4,269.66 is: 5,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.13 : 9,855.91 = 4,269.66 : x
  2. Step 2: Convert to fraction form
    7,141.13/9,855.91 = 4,269.66/x
  3. Step 3: Cross multiply
    7,141.13x = 9,855.91 × 4,269.66
  4. Step 4: Simplify right side
    7,141.13x = 42,081,353.07
  5. Step 5: Solve for x
    x = 42,081,353.07/7,141.13
  6. Step 6: Final answer
    x = 5,892.82

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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.