Home / 6,214.10-8,577.72-4,118.90

Finding the Fourth Proportional to 6,214.10, 8,577.72 and 4,118.90

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Solution

The fourth proportional to 6,214.10, 8,577.72 and 4,118.90 is: 5,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.10 : 8,577.72 = 4,118.90 : x
  2. Step 2: Convert to fraction form
    6,214.10/8,577.72 = 4,118.90/x
  3. Step 3: Cross multiply
    6,214.10x = 8,577.72 × 4,118.90
  4. Step 4: Simplify right side
    6,214.10x = 35,330,728.02
  5. Step 5: Solve for x
    x = 35,330,728.02/6,214.10
  6. Step 6: Final answer
    x = 5,685.58

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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.