Home / 5,494.61-7,582.56-2,976.70

Finding the Fourth Proportional to 5,494.61, 7,582.56 and 2,976.70

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Solution

The fourth proportional to 5,494.61, 7,582.56 and 2,976.70 is: 4,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.61 : 7,582.56 = 2,976.70 : x
  2. Step 2: Convert to fraction form
    5,494.61/7,582.56 = 2,976.70/x
  3. Step 3: Cross multiply
    5,494.61x = 7,582.56 × 2,976.70
  4. Step 4: Simplify right side
    5,494.61x = 22,570,987.40
  5. Step 5: Solve for x
    x = 22,570,987.40/5,494.61
  6. Step 6: Final answer
    x = 4,107.84

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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.