Home / 5,484.77-7,561.11-3,910.13

Finding the Fourth Proportional to 5,484.77, 7,561.11 and 3,910.13

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Solution

The fourth proportional to 5,484.77, 7,561.11 and 3,910.13 is: 5,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.77 : 7,561.11 = 3,910.13 : x
  2. Step 2: Convert to fraction form
    5,484.77/7,561.11 = 3,910.13/x
  3. Step 3: Cross multiply
    5,484.77x = 7,561.11 × 3,910.13
  4. Step 4: Simplify right side
    5,484.77x = 29,564,923.04
  5. Step 5: Solve for x
    x = 29,564,923.04/5,484.77
  6. Step 6: Final answer
    x = 5,390.37

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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.