Home / 8,751.53-13,127.34-2,177.72

Finding the Fourth Proportional to 8,751.53, 13,127.34 and 2,177.72

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Solution

The fourth proportional to 8,751.53, 13,127.34 and 2,177.72 is: 3,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.53 : 13,127.34 = 2,177.72 : x
  2. Step 2: Convert to fraction form
    8,751.53/13,127.34 = 2,177.72/x
  3. Step 3: Cross multiply
    8,751.53x = 13,127.34 × 2,177.72
  4. Step 4: Simplify right side
    8,751.53x = 28,587,605.23
  5. Step 5: Solve for x
    x = 28,587,605.23/8,751.53
  6. Step 6: Final answer
    x = 3,266.58

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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.