Home / 6,421.20-9,568.30-5,767.10

Finding the Fourth Proportional to 6,421.20, 9,568.30 and 5,767.10

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Solution

The fourth proportional to 6,421.20, 9,568.30 and 5,767.10 is: 8,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.20 : 9,568.30 = 5,767.10 : x
  2. Step 2: Convert to fraction form
    6,421.20/9,568.30 = 5,767.10/x
  3. Step 3: Cross multiply
    6,421.20x = 9,568.30 × 5,767.10
  4. Step 4: Simplify right side
    6,421.20x = 55,181,342.93
  5. Step 5: Solve for x
    x = 55,181,342.93/6,421.20
  6. Step 6: Final answer
    x = 8,593.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.