Home / 4,345.21-6,513.91-1,571.23

Finding the Fourth Proportional to 4,345.21, 6,513.91 and 1,571.23

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Solution

The fourth proportional to 4,345.21, 6,513.91 and 1,571.23 is: 2,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.21 : 6,513.91 = 1,571.23 : x
  2. Step 2: Convert to fraction form
    4,345.21/6,513.91 = 1,571.23/x
  3. Step 3: Cross multiply
    4,345.21x = 6,513.91 × 1,571.23
  4. Step 4: Simplify right side
    4,345.21x = 10,234,828.35
  5. Step 5: Solve for x
    x = 10,234,828.35/4,345.21
  6. Step 6: Final answer
    x = 2,355.43

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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.