Home / 5,218.04-7,823.59-2,879.17

Finding the Fourth Proportional to 5,218.04, 7,823.59 and 2,879.17

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Solution

The fourth proportional to 5,218.04, 7,823.59 and 2,879.17 is: 4,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.04 : 7,823.59 = 2,879.17 : x
  2. Step 2: Convert to fraction form
    5,218.04/7,823.59 = 2,879.17/x
  3. Step 3: Cross multiply
    5,218.04x = 7,823.59 × 2,879.17
  4. Step 4: Simplify right side
    5,218.04x = 22,525,445.62
  5. Step 5: Solve for x
    x = 22,525,445.62/5,218.04
  6. Step 6: Final answer
    x = 4,316.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.