Home / 6,131.68-8,467.72-5,242.32

Finding the Fourth Proportional to 6,131.68, 8,467.72 and 5,242.32

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Solution

The fourth proportional to 6,131.68, 8,467.72 and 5,242.32 is: 7,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.68 : 8,467.72 = 5,242.32 : x
  2. Step 2: Convert to fraction form
    6,131.68/8,467.72 = 5,242.32/x
  3. Step 3: Cross multiply
    6,131.68x = 8,467.72 × 5,242.32
  4. Step 4: Simplify right side
    6,131.68x = 44,390,497.91
  5. Step 5: Solve for x
    x = 44,390,497.91/6,131.68
  6. Step 6: Final answer
    x = 7,239.53

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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.