Home / 5,162.43-7,124.05-2,804.57

Finding the Fourth Proportional to 5,162.43, 7,124.05 and 2,804.57

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Solution

The fourth proportional to 5,162.43, 7,124.05 and 2,804.57 is: 3,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.43 : 7,124.05 = 2,804.57 : x
  2. Step 2: Convert to fraction form
    5,162.43/7,124.05 = 2,804.57/x
  3. Step 3: Cross multiply
    5,162.43x = 7,124.05 × 2,804.57
  4. Step 4: Simplify right side
    5,162.43x = 19,979,896.91
  5. Step 5: Solve for x
    x = 19,979,896.91/5,162.43
  6. Step 6: Final answer
    x = 3,870.25

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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.