Home / 5,162.48-7,124.26-2,804.66

Finding the Fourth Proportional to 5,162.48, 7,124.26 and 2,804.66

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Solution

The fourth proportional to 5,162.48, 7,124.26 and 2,804.66 is: 3,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.48 : 7,124.26 = 2,804.66 : x
  2. Step 2: Convert to fraction form
    5,162.48/7,124.26 = 2,804.66/x
  3. Step 3: Cross multiply
    5,162.48x = 7,124.26 × 2,804.66
  4. Step 4: Simplify right side
    5,162.48x = 19,981,127.05
  5. Step 5: Solve for x
    x = 19,981,127.05/5,162.48
  6. Step 6: Final answer
    x = 3,870.45

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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.