Home / 7,664.78-10,577.38-4,307.73

Finding the Fourth Proportional to 7,664.78, 10,577.38 and 4,307.73

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Solution

The fourth proportional to 7,664.78, 10,577.38 and 4,307.73 is: 5,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.78 : 10,577.38 = 4,307.73 : x
  2. Step 2: Convert to fraction form
    7,664.78/10,577.38 = 4,307.73/x
  3. Step 3: Cross multiply
    7,664.78x = 10,577.38 × 4,307.73
  4. Step 4: Simplify right side
    7,664.78x = 45,564,497.15
  5. Step 5: Solve for x
    x = 45,564,497.15/7,664.78
  6. Step 6: Final answer
    x = 5,944.66

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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.