Home / 6,207.10-8,564.85-3,689.16

Finding the Fourth Proportional to 6,207.10, 8,564.85 and 3,689.16

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Solution

The fourth proportional to 6,207.10, 8,564.85 and 3,689.16 is: 5,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.10 : 8,564.85 = 3,689.16 : x
  2. Step 2: Convert to fraction form
    6,207.10/8,564.85 = 3,689.16/x
  3. Step 3: Cross multiply
    6,207.10x = 8,564.85 × 3,689.16
  4. Step 4: Simplify right side
    6,207.10x = 31,597,102.03
  5. Step 5: Solve for x
    x = 31,597,102.03/6,207.10
  6. Step 6: Final answer
    x = 5,090.48

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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.