Home / 6,214.40-9,316.68-4,260.80

Finding the Fourth Proportional to 6,214.40, 9,316.68 and 4,260.80

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Solution

The fourth proportional to 6,214.40, 9,316.68 and 4,260.80 is: 6,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.40 : 9,316.68 = 4,260.80 : x
  2. Step 2: Convert to fraction form
    6,214.40/9,316.68 = 4,260.80/x
  3. Step 3: Cross multiply
    6,214.40x = 9,316.68 × 4,260.80
  4. Step 4: Simplify right side
    6,214.40x = 39,696,510.14
  5. Step 5: Solve for x
    x = 39,696,510.14/6,214.40
  6. Step 6: Final answer
    x = 6,387.83

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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.