Home / 5,521.23-8,281.89-1,625.67

Finding the Fourth Proportional to 5,521.23, 8,281.89 and 1,625.67

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Solution

The fourth proportional to 5,521.23, 8,281.89 and 1,625.67 is: 2,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.23 : 8,281.89 = 1,625.67 : x
  2. Step 2: Convert to fraction form
    5,521.23/8,281.89 = 1,625.67/x
  3. Step 3: Cross multiply
    5,521.23x = 8,281.89 × 1,625.67
  4. Step 4: Simplify right side
    5,521.23x = 13,463,620.12
  5. Step 5: Solve for x
    x = 13,463,620.12/5,521.23
  6. Step 6: Final answer
    x = 2,438.52

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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.