Home / 6,314.20-9,470.40-2,154.40

Finding the Fourth Proportional to 6,314.20, 9,470.40 and 2,154.40

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Solution

The fourth proportional to 6,314.20, 9,470.40 and 2,154.40 is: 3,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.20 : 9,470.40 = 2,154.40 : x
  2. Step 2: Convert to fraction form
    6,314.20/9,470.40 = 2,154.40/x
  3. Step 3: Cross multiply
    6,314.20x = 9,470.40 × 2,154.40
  4. Step 4: Simplify right side
    6,314.20x = 20,403,029.76
  5. Step 5: Solve for x
    x = 20,403,029.76/6,314.20
  6. Step 6: Final answer
    x = 3,231.29

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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.