Home / 7,664.28-10,576.47-4,679.43

Finding the Fourth Proportional to 7,664.28, 10,576.47 and 4,679.43

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Solution

The fourth proportional to 7,664.28, 10,576.47 and 4,679.43 is: 6,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.28 : 10,576.47 = 4,679.43 : x
  2. Step 2: Convert to fraction form
    7,664.28/10,576.47 = 4,679.43/x
  3. Step 3: Cross multiply
    7,664.28x = 10,576.47 × 4,679.43
  4. Step 4: Simplify right side
    7,664.28x = 49,491,851.01
  5. Step 5: Solve for x
    x = 49,491,851.01/7,664.28
  6. Step 6: Final answer
    x = 6,457.47

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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.