Home / 7,629.72-11,433.64-4,335.85

Finding the Fourth Proportional to 7,629.72, 11,433.64 and 4,335.85

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Solution

The fourth proportional to 7,629.72, 11,433.64 and 4,335.85 is: 6,497.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.72 : 11,433.64 = 4,335.85 : x
  2. Step 2: Convert to fraction form
    7,629.72/11,433.64 = 4,335.85/x
  3. Step 3: Cross multiply
    7,629.72x = 11,433.64 × 4,335.85
  4. Step 4: Simplify right side
    7,629.72x = 49,574,547.99
  5. Step 5: Solve for x
    x = 49,574,547.99/7,629.72
  6. Step 6: Final answer
    x = 6,497.56

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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.