Home / 5,389.92-8,083.98-1,493.28

Finding the Fourth Proportional to 5,389.92, 8,083.98 and 1,493.28

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Solution

The fourth proportional to 5,389.92, 8,083.98 and 1,493.28 is: 2,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.92 : 8,083.98 = 1,493.28 : x
  2. Step 2: Convert to fraction form
    5,389.92/8,083.98 = 1,493.28/x
  3. Step 3: Cross multiply
    5,389.92x = 8,083.98 × 1,493.28
  4. Step 4: Simplify right side
    5,389.92x = 12,071,645.65
  5. Step 5: Solve for x
    x = 12,071,645.65/5,389.92
  6. Step 6: Final answer
    x = 2,239.67

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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.