Home / 7,689.36-10,611.62-4,332.31

Finding the Fourth Proportional to 7,689.36, 10,611.62 and 4,332.31

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Solution

The fourth proportional to 7,689.36, 10,611.62 and 4,332.31 is: 5,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.36 : 10,611.62 = 4,332.31 : x
  2. Step 2: Convert to fraction form
    7,689.36/10,611.62 = 4,332.31/x
  3. Step 3: Cross multiply
    7,689.36x = 10,611.62 × 4,332.31
  4. Step 4: Simplify right side
    7,689.36x = 45,972,831.44
  5. Step 5: Solve for x
    x = 45,972,831.44/7,689.36
  6. Step 6: Final answer
    x = 5,978.76

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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.