Home / 5,717.16-8,570.81-2,209.63

Finding the Fourth Proportional to 5,717.16, 8,570.81 and 2,209.63

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Solution

The fourth proportional to 5,717.16, 8,570.81 and 2,209.63 is: 3,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.16 : 8,570.81 = 2,209.63 : x
  2. Step 2: Convert to fraction form
    5,717.16/8,570.81 = 2,209.63/x
  3. Step 3: Cross multiply
    5,717.16x = 8,570.81 × 2,209.63
  4. Step 4: Simplify right side
    5,717.16x = 18,938,297.47
  5. Step 5: Solve for x
    x = 18,938,297.47/5,717.16
  6. Step 6: Final answer
    x = 3,312.54

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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.