Home / 5,488.40-8,228.28-2,563.76

Finding the Fourth Proportional to 5,488.40, 8,228.28 and 2,563.76

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Solution

The fourth proportional to 5,488.40, 8,228.28 and 2,563.76 is: 3,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.40 : 8,228.28 = 2,563.76 : x
  2. Step 2: Convert to fraction form
    5,488.40/8,228.28 = 2,563.76/x
  3. Step 3: Cross multiply
    5,488.40x = 8,228.28 × 2,563.76
  4. Step 4: Simplify right side
    5,488.40x = 21,095,335.13
  5. Step 5: Solve for x
    x = 21,095,335.13/5,488.40
  6. Step 6: Final answer
    x = 3,843.62

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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.