Home / 6,252.12-8,640.18-5,131.24

Finding the Fourth Proportional to 6,252.12, 8,640.18 and 5,131.24

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Solution

The fourth proportional to 6,252.12, 8,640.18 and 5,131.24 is: 7,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,252.12 : 8,640.18 = 5,131.24 : x
  2. Step 2: Convert to fraction form
    6,252.12/8,640.18 = 5,131.24/x
  3. Step 3: Cross multiply
    6,252.12x = 8,640.18 × 5,131.24
  4. Step 4: Simplify right side
    6,252.12x = 44,334,837.22
  5. Step 5: Solve for x
    x = 44,334,837.22/6,252.12
  6. Step 6: Final answer
    x = 7,091.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.