Home / 4,313.93-6,480.11-3,089.21

Finding the Fourth Proportional to 4,313.93, 6,480.11 and 3,089.21

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Solution

The fourth proportional to 4,313.93, 6,480.11 and 3,089.21 is: 4,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.93 : 6,480.11 = 3,089.21 : x
  2. Step 2: Convert to fraction form
    4,313.93/6,480.11 = 3,089.21/x
  3. Step 3: Cross multiply
    4,313.93x = 6,480.11 × 3,089.21
  4. Step 4: Simplify right side
    4,313.93x = 20,018,420.61
  5. Step 5: Solve for x
    x = 20,018,420.61/4,313.93
  6. Step 6: Final answer
    x = 4,640.41

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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.