Home / 4,318.24-6,466.38-2,855.20

Finding the Fourth Proportional to 4,318.24, 6,466.38 and 2,855.20

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Solution

The fourth proportional to 4,318.24, 6,466.38 and 2,855.20 is: 4,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.24 : 6,466.38 = 2,855.20 : x
  2. Step 2: Convert to fraction form
    4,318.24/6,466.38 = 2,855.20/x
  3. Step 3: Cross multiply
    4,318.24x = 6,466.38 × 2,855.20
  4. Step 4: Simplify right side
    4,318.24x = 18,462,808.18
  5. Step 5: Solve for x
    x = 18,462,808.18/4,318.24
  6. Step 6: Final answer
    x = 4,275.54

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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.