Home / 5,484.79-8,228.39-2,561.50

Finding the Fourth Proportional to 5,484.79, 8,228.39 and 2,561.50

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Solution

The fourth proportional to 5,484.79, 8,228.39 and 2,561.50 is: 3,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.79 : 8,228.39 = 2,561.50 : x
  2. Step 2: Convert to fraction form
    5,484.79/8,228.39 = 2,561.50/x
  3. Step 3: Cross multiply
    5,484.79x = 8,228.39 × 2,561.50
  4. Step 4: Simplify right side
    5,484.79x = 21,077,006.82
  5. Step 5: Solve for x
    x = 21,077,006.82/5,484.79
  6. Step 6: Final answer
    x = 3,842.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.