Home / 5,056.45-6,977.67-2,818.57

Finding the Fourth Proportional to 5,056.45, 6,977.67 and 2,818.57

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Solution

The fourth proportional to 5,056.45, 6,977.67 and 2,818.57 is: 3,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.45 : 6,977.67 = 2,818.57 : x
  2. Step 2: Convert to fraction form
    5,056.45/6,977.67 = 2,818.57/x
  3. Step 3: Cross multiply
    5,056.45x = 6,977.67 × 2,818.57
  4. Step 4: Simplify right side
    5,056.45x = 19,667,051.33
  5. Step 5: Solve for x
    x = 19,667,051.33/5,056.45
  6. Step 6: Final answer
    x = 3,889.50

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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.