Home / 5,104.86-7,657.27-1,818.08

Finding the Fourth Proportional to 5,104.86, 7,657.27 and 1,818.08

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Solution

The fourth proportional to 5,104.86, 7,657.27 and 1,818.08 is: 2,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.86 : 7,657.27 = 1,818.08 : x
  2. Step 2: Convert to fraction form
    5,104.86/7,657.27 = 1,818.08/x
  3. Step 3: Cross multiply
    5,104.86x = 7,657.27 × 1,818.08
  4. Step 4: Simplify right side
    5,104.86x = 13,921,529.44
  5. Step 5: Solve for x
    x = 13,921,529.44/5,104.86
  6. Step 6: Final answer
    x = 2,727.11

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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.