Home / 5,488.44-8,225.76-3,920.28

Finding the Fourth Proportional to 5,488.44, 8,225.76 and 3,920.28

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Solution

The fourth proportional to 5,488.44, 8,225.76 and 3,920.28 is: 5,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.44 : 8,225.76 = 3,920.28 : x
  2. Step 2: Convert to fraction form
    5,488.44/8,225.76 = 3,920.28/x
  3. Step 3: Cross multiply
    5,488.44x = 8,225.76 × 3,920.28
  4. Step 4: Simplify right side
    5,488.44x = 32,247,282.41
  5. Step 5: Solve for x
    x = 32,247,282.41/5,488.44
  6. Step 6: Final answer
    x = 5,875.49

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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.