Home / 6,841.20-10,260.63-1,909.69

Finding the Fourth Proportional to 6,841.20, 10,260.63 and 1,909.69

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Solution

The fourth proportional to 6,841.20, 10,260.63 and 1,909.69 is: 2,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.20 : 10,260.63 = 1,909.69 : x
  2. Step 2: Convert to fraction form
    6,841.20/10,260.63 = 1,909.69/x
  3. Step 3: Cross multiply
    6,841.20x = 10,260.63 × 1,909.69
  4. Step 4: Simplify right side
    6,841.20x = 19,594,622.50
  5. Step 5: Solve for x
    x = 19,594,622.50/6,841.20
  6. Step 6: Final answer
    x = 2,864.21

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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.