Home / 7,688.82-10,611.23-4,332.29

Finding the Fourth Proportional to 7,688.82, 10,611.23 and 4,332.29

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Solution

The fourth proportional to 7,688.82, 10,611.23 and 4,332.29 is: 5,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.82 : 10,611.23 = 4,332.29 : x
  2. Step 2: Convert to fraction form
    7,688.82/10,611.23 = 4,332.29/x
  3. Step 3: Cross multiply
    7,688.82x = 10,611.23 × 4,332.29
  4. Step 4: Simplify right side
    7,688.82x = 45,970,930.48
  5. Step 5: Solve for x
    x = 45,970,930.48/7,688.82
  6. Step 6: Final answer
    x = 5,978.93

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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.