Home / 5,721.21-8,580.61-1,616.25

Finding the Fourth Proportional to 5,721.21, 8,580.61 and 1,616.25

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Solution

The fourth proportional to 5,721.21, 8,580.61 and 1,616.25 is: 2,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.21 : 8,580.61 = 1,616.25 : x
  2. Step 2: Convert to fraction form
    5,721.21/8,580.61 = 1,616.25/x
  3. Step 3: Cross multiply
    5,721.21x = 8,580.61 × 1,616.25
  4. Step 4: Simplify right side
    5,721.21x = 13,868,410.91
  5. Step 5: Solve for x
    x = 13,868,410.91/5,721.21
  6. Step 6: Final answer
    x = 2,424.03

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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.