Home / 7,664.05-10,575.30-4,306.70

Finding the Fourth Proportional to 7,664.05, 10,575.30 and 4,306.70

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Solution

The fourth proportional to 7,664.05, 10,575.30 and 4,306.70 is: 5,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.05 : 10,575.30 = 4,306.70 : x
  2. Step 2: Convert to fraction form
    7,664.05/10,575.30 = 4,306.70/x
  3. Step 3: Cross multiply
    7,664.05x = 10,575.30 × 4,306.70
  4. Step 4: Simplify right side
    7,664.05x = 45,544,644.51
  5. Step 5: Solve for x
    x = 45,544,644.51/7,664.05
  6. Step 6: Final answer
    x = 5,942.63

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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.