Home / 6,341.20-9,511.80-6,276.40

Finding the Fourth Proportional to 6,341.20, 9,511.80 and 6,276.40

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Solution

The fourth proportional to 6,341.20, 9,511.80 and 6,276.40 is: 9,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.20 : 9,511.80 = 6,276.40 : x
  2. Step 2: Convert to fraction form
    6,341.20/9,511.80 = 6,276.40/x
  3. Step 3: Cross multiply
    6,341.20x = 9,511.80 × 6,276.40
  4. Step 4: Simplify right side
    6,341.20x = 59,699,861.52
  5. Step 5: Solve for x
    x = 59,699,861.52/6,341.20
  6. Step 6: Final answer
    x = 9,414.60

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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.