Home / 5,488.84-8,235.09-3,647.20

Finding the Fourth Proportional to 5,488.84, 8,235.09 and 3,647.20

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Solution

The fourth proportional to 5,488.84, 8,235.09 and 3,647.20 is: 5,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.84 : 8,235.09 = 3,647.20 : x
  2. Step 2: Convert to fraction form
    5,488.84/8,235.09 = 3,647.20/x
  3. Step 3: Cross multiply
    5,488.84x = 8,235.09 × 3,647.20
  4. Step 4: Simplify right side
    5,488.84x = 30,035,020.25
  5. Step 5: Solve for x
    x = 30,035,020.25/5,488.84
  6. Step 6: Final answer
    x = 5,472.02

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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.