Home / 4,077.21-6,115.95-1,304.28

Finding the Fourth Proportional to 4,077.21, 6,115.95 and 1,304.28

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Solution

The fourth proportional to 4,077.21, 6,115.95 and 1,304.28 is: 1,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.21 : 6,115.95 = 1,304.28 : x
  2. Step 2: Convert to fraction form
    4,077.21/6,115.95 = 1,304.28/x
  3. Step 3: Cross multiply
    4,077.21x = 6,115.95 × 1,304.28
  4. Step 4: Simplify right side
    4,077.21x = 7,976,911.27
  5. Step 5: Solve for x
    x = 7,976,911.27/4,077.21
  6. Step 6: Final answer
    x = 1,956.46

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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.