Home / 5,389.96-8,073.06-3,925.76

Finding the Fourth Proportional to 5,389.96, 8,073.06 and 3,925.76

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Solution

The fourth proportional to 5,389.96, 8,073.06 and 3,925.76 is: 5,879.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.96 : 8,073.06 = 3,925.76 : x
  2. Step 2: Convert to fraction form
    5,389.96/8,073.06 = 3,925.76/x
  3. Step 3: Cross multiply
    5,389.96x = 8,073.06 × 3,925.76
  4. Step 4: Simplify right side
    5,389.96x = 31,692,896.03
  5. Step 5: Solve for x
    x = 31,692,896.03/5,389.96
  6. Step 6: Final answer
    x = 5,879.99

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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.