Home / 6,418.59-9,622.81-4,211.18

Finding the Fourth Proportional to 6,418.59, 9,622.81 and 4,211.18

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Solution

The fourth proportional to 6,418.59, 9,622.81 and 4,211.18 is: 6,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.59 : 9,622.81 = 4,211.18 : x
  2. Step 2: Convert to fraction form
    6,418.59/9,622.81 = 4,211.18/x
  3. Step 3: Cross multiply
    6,418.59x = 9,622.81 × 4,211.18
  4. Step 4: Simplify right side
    6,418.59x = 40,523,385.02
  5. Step 5: Solve for x
    x = 40,523,385.02/6,418.59
  6. Step 6: Final answer
    x = 6,313.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.