Home / 4,270.20-6,405.32-2,077.05

Finding the Fourth Proportional to 4,270.20, 6,405.32 and 2,077.05

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Solution

The fourth proportional to 4,270.20, 6,405.32 and 2,077.05 is: 3,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.20 : 6,405.32 = 2,077.05 : x
  2. Step 2: Convert to fraction form
    4,270.20/6,405.32 = 2,077.05/x
  3. Step 3: Cross multiply
    4,270.20x = 6,405.32 × 2,077.05
  4. Step 4: Simplify right side
    4,270.20x = 13,304,159.52
  5. Step 5: Solve for x
    x = 13,304,159.52/4,270.20
  6. Step 6: Final answer
    x = 3,115.58

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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.