Home / 8,190.36-11,300.31-4,831.97

Finding the Fourth Proportional to 8,190.36, 11,300.31 and 4,831.97

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Solution

The fourth proportional to 8,190.36, 11,300.31 and 4,831.97 is: 6,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.36 : 11,300.31 = 4,831.97 : x
  2. Step 2: Convert to fraction form
    8,190.36/11,300.31 = 4,831.97/x
  3. Step 3: Cross multiply
    8,190.36x = 11,300.31 × 4,831.97
  4. Step 4: Simplify right side
    8,190.36x = 54,602,702.41
  5. Step 5: Solve for x
    x = 54,602,702.41/8,190.36
  6. Step 6: Final answer
    x = 6,666.70

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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.