Home / 6,306.10-9,460.05-2,145.40

Finding the Fourth Proportional to 6,306.10, 9,460.05 and 2,145.40

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Solution

The fourth proportional to 6,306.10, 9,460.05 and 2,145.40 is: 3,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.10 : 9,460.05 = 2,145.40 : x
  2. Step 2: Convert to fraction form
    6,306.10/9,460.05 = 2,145.40/x
  3. Step 3: Cross multiply
    6,306.10x = 9,460.05 × 2,145.40
  4. Step 4: Simplify right side
    6,306.10x = 20,295,591.27
  5. Step 5: Solve for x
    x = 20,295,591.27/6,306.10
  6. Step 6: Final answer
    x = 3,218.41

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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.