Home / 8,971.29-13,462.74-3,777.21

Finding the Fourth Proportional to 8,971.29, 13,462.74 and 3,777.21

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Solution

The fourth proportional to 8,971.29, 13,462.74 and 3,777.21 is: 5,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.29 : 13,462.74 = 3,777.21 : x
  2. Step 2: Convert to fraction form
    8,971.29/13,462.74 = 3,777.21/x
  3. Step 3: Cross multiply
    8,971.29x = 13,462.74 × 3,777.21
  4. Step 4: Simplify right side
    8,971.29x = 50,851,596.16
  5. Step 5: Solve for x
    x = 50,851,596.16/8,971.29
  6. Step 6: Final answer
    x = 5,668.26

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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.