Home / 5,712.04-7,879.62-3,612.52

Finding the Fourth Proportional to 5,712.04, 7,879.62 and 3,612.52

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Solution

The fourth proportional to 5,712.04, 7,879.62 and 3,612.52 is: 4,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.04 : 7,879.62 = 3,612.52 : x
  2. Step 2: Convert to fraction form
    5,712.04/7,879.62 = 3,612.52/x
  3. Step 3: Cross multiply
    5,712.04x = 7,879.62 × 3,612.52
  4. Step 4: Simplify right side
    5,712.04x = 28,465,284.84
  5. Step 5: Solve for x
    x = 28,465,284.84/5,712.04
  6. Step 6: Final answer
    x = 4,983.38

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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.