Home / 4,719.86-6,513.90-2,927.22

Finding the Fourth Proportional to 4,719.86, 6,513.90 and 2,927.22

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Solution

The fourth proportional to 4,719.86, 6,513.90 and 2,927.22 is: 4,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.86 : 6,513.90 = 2,927.22 : x
  2. Step 2: Convert to fraction form
    4,719.86/6,513.90 = 2,927.22/x
  3. Step 3: Cross multiply
    4,719.86x = 6,513.90 × 2,927.22
  4. Step 4: Simplify right side
    4,719.86x = 19,067,618.36
  5. Step 5: Solve for x
    x = 19,067,618.36/4,719.86
  6. Step 6: Final answer
    x = 4,039.87

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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.