Home / 6,186.86-8,537.90-3,534.20

Finding the Fourth Proportional to 6,186.86, 8,537.90 and 3,534.20

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Solution

The fourth proportional to 6,186.86, 8,537.90 and 3,534.20 is: 4,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.86 : 8,537.90 = 3,534.20 : x
  2. Step 2: Convert to fraction form
    6,186.86/8,537.90 = 3,534.20/x
  3. Step 3: Cross multiply
    6,186.86x = 8,537.90 × 3,534.20
  4. Step 4: Simplify right side
    6,186.86x = 30,174,585.82
  5. Step 5: Solve for x
    x = 30,174,585.82/6,186.86
  6. Step 6: Final answer
    x = 4,877.21

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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.