Home / 8,509.81-11,740.26-6,276.98

Finding the Fourth Proportional to 8,509.81, 11,740.26 and 6,276.98

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Solution

The fourth proportional to 8,509.81, 11,740.26 and 6,276.98 is: 8,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.81 : 11,740.26 = 6,276.98 : x
  2. Step 2: Convert to fraction form
    8,509.81/11,740.26 = 6,276.98/x
  3. Step 3: Cross multiply
    8,509.81x = 11,740.26 × 6,276.98
  4. Step 4: Simplify right side
    8,509.81x = 73,693,377.21
  5. Step 5: Solve for x
    x = 73,693,377.21/8,509.81
  6. Step 6: Final answer
    x = 8,659.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.