Home / 7,666.89-10,581.28-4,682.09

Finding the Fourth Proportional to 7,666.89, 10,581.28 and 4,682.09

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Solution

The fourth proportional to 7,666.89, 10,581.28 and 4,682.09 is: 6,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.89 : 10,581.28 = 4,682.09 : x
  2. Step 2: Convert to fraction form
    7,666.89/10,581.28 = 4,682.09/x
  3. Step 3: Cross multiply
    7,666.89x = 10,581.28 × 4,682.09
  4. Step 4: Simplify right side
    7,666.89x = 49,542,505.28
  5. Step 5: Solve for x
    x = 49,542,505.28/7,666.89
  6. Step 6: Final answer
    x = 6,461.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.