Home / 4,707.10-6,495.78-2,818.75

Finding the Fourth Proportional to 4,707.10, 6,495.78 and 2,818.75

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Solution

The fourth proportional to 4,707.10, 6,495.78 and 2,818.75 is: 3,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.10 : 6,495.78 = 2,818.75 : x
  2. Step 2: Convert to fraction form
    4,707.10/6,495.78 = 2,818.75/x
  3. Step 3: Cross multiply
    4,707.10x = 6,495.78 × 2,818.75
  4. Step 4: Simplify right side
    4,707.10x = 18,309,979.88
  5. Step 5: Solve for x
    x = 18,309,979.88/4,707.10
  6. Step 6: Final answer
    x = 3,889.86

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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.