Home / 5,521.20-8,281.50-1,360.99

Finding the Fourth Proportional to 5,521.20, 8,281.50 and 1,360.99

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Solution

The fourth proportional to 5,521.20, 8,281.50 and 1,360.99 is: 2,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.20 : 8,281.50 = 1,360.99 : x
  2. Step 2: Convert to fraction form
    5,521.20/8,281.50 = 1,360.99/x
  3. Step 3: Cross multiply
    5,521.20x = 8,281.50 × 1,360.99
  4. Step 4: Simplify right side
    5,521.20x = 11,271,038.69
  5. Step 5: Solve for x
    x = 11,271,038.69/5,521.20
  6. Step 6: Final answer
    x = 2,041.41

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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.