Home / 5,162.38-7,124.08-2,804.57

Finding the Fourth Proportional to 5,162.38, 7,124.08 and 2,804.57

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Solution

The fourth proportional to 5,162.38, 7,124.08 and 2,804.57 is: 3,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.38 : 7,124.08 = 2,804.57 : x
  2. Step 2: Convert to fraction form
    5,162.38/7,124.08 = 2,804.57/x
  3. Step 3: Cross multiply
    5,162.38x = 7,124.08 × 2,804.57
  4. Step 4: Simplify right side
    5,162.38x = 19,979,981.05
  5. Step 5: Solve for x
    x = 19,979,981.05/5,162.38
  6. Step 6: Final answer
    x = 3,870.30

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Half scale
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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.