Home / 4,077.80-6,117.62-1,304.64

Finding the Fourth Proportional to 4,077.80, 6,117.62 and 1,304.64

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Solution

The fourth proportional to 4,077.80, 6,117.62 and 1,304.64 is: 1,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.80 : 6,117.62 = 1,304.64 : x
  2. Step 2: Convert to fraction form
    4,077.80/6,117.62 = 1,304.64/x
  3. Step 3: Cross multiply
    4,077.80x = 6,117.62 × 1,304.64
  4. Step 4: Simplify right side
    4,077.80x = 7,981,291.92
  5. Step 5: Solve for x
    x = 7,981,291.92/4,077.80
  6. Step 6: Final answer
    x = 1,957.25

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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.