Home / 4,477.35-6,712.34-1,976.76

Finding the Fourth Proportional to 4,477.35, 6,712.34 and 1,976.76

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Solution

The fourth proportional to 4,477.35, 6,712.34 and 1,976.76 is: 2,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.35 : 6,712.34 = 1,976.76 : x
  2. Step 2: Convert to fraction form
    4,477.35/6,712.34 = 1,976.76/x
  3. Step 3: Cross multiply
    4,477.35x = 6,712.34 × 1,976.76
  4. Step 4: Simplify right side
    4,477.35x = 13,268,685.22
  5. Step 5: Solve for x
    x = 13,268,685.22/4,477.35
  6. Step 6: Final answer
    x = 2,963.51

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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.