Home / 5,056.65-6,977.79-2,818.62

Finding the Fourth Proportional to 5,056.65, 6,977.79 and 2,818.62

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Solution

The fourth proportional to 5,056.65, 6,977.79 and 2,818.62 is: 3,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.65 : 6,977.79 = 2,818.62 : x
  2. Step 2: Convert to fraction form
    5,056.65/6,977.79 = 2,818.62/x
  3. Step 3: Cross multiply
    5,056.65x = 6,977.79 × 2,818.62
  4. Step 4: Simplify right side
    5,056.65x = 19,667,738.45
  5. Step 5: Solve for x
    x = 19,667,738.45/5,056.65
  6. Step 6: Final answer
    x = 3,889.48

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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.