Home / 6,431.04-8,874.72-3,636.48

Finding the Fourth Proportional to 6,431.04, 8,874.72 and 3,636.48

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Solution

The fourth proportional to 6,431.04, 8,874.72 and 3,636.48 is: 5,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.04 : 8,874.72 = 3,636.48 : x
  2. Step 2: Convert to fraction form
    6,431.04/8,874.72 = 3,636.48/x
  3. Step 3: Cross multiply
    6,431.04x = 8,874.72 × 3,636.48
  4. Step 4: Simplify right side
    6,431.04x = 32,272,741.79
  5. Step 5: Solve for x
    x = 32,272,741.79/6,431.04
  6. Step 6: Final answer
    x = 5,018.28

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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.