Home / 8,718.12-13,077.06-2,144.36

Finding the Fourth Proportional to 8,718.12, 13,077.06 and 2,144.36

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Solution

The fourth proportional to 8,718.12, 13,077.06 and 2,144.36 is: 3,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.12 : 13,077.06 = 2,144.36 : x
  2. Step 2: Convert to fraction form
    8,718.12/13,077.06 = 2,144.36/x
  3. Step 3: Cross multiply
    8,718.12x = 13,077.06 × 2,144.36
  4. Step 4: Simplify right side
    8,718.12x = 28,041,899.99
  5. Step 5: Solve for x
    x = 28,041,899.99/8,718.12
  6. Step 6: Final answer
    x = 3,216.51

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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.