Home / 6,841.55-10,260.81-1,909.86

Finding the Fourth Proportional to 6,841.55, 10,260.81 and 1,909.86

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Solution

The fourth proportional to 6,841.55, 10,260.81 and 1,909.86 is: 2,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.55 : 10,260.81 = 1,909.86 : x
  2. Step 2: Convert to fraction form
    6,841.55/10,260.81 = 1,909.86/x
  3. Step 3: Cross multiply
    6,841.55x = 10,260.81 × 1,909.86
  4. Step 4: Simplify right side
    6,841.55x = 19,596,710.59
  5. Step 5: Solve for x
    x = 19,596,710.59/6,841.55
  6. Step 6: Final answer
    x = 2,864.37

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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.