Home / 4,981.86-6,875.10-2,743.86

Finding the Fourth Proportional to 4,981.86, 6,875.10 and 2,743.86

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Solution

The fourth proportional to 4,981.86, 6,875.10 and 2,743.86 is: 3,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.86 : 6,875.10 = 2,743.86 : x
  2. Step 2: Convert to fraction form
    4,981.86/6,875.10 = 2,743.86/x
  3. Step 3: Cross multiply
    4,981.86x = 6,875.10 × 2,743.86
  4. Step 4: Simplify right side
    4,981.86x = 18,864,311.89
  5. Step 5: Solve for x
    x = 18,864,311.89/4,981.86
  6. Step 6: Final answer
    x = 3,786.60

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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.