Home / 9,809.36-13,541.28-5,831.76

Finding the Fourth Proportional to 9,809.36, 13,541.28 and 5,831.76

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Solution

The fourth proportional to 9,809.36, 13,541.28 and 5,831.76 is: 8,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.36 : 13,541.28 = 5,831.76 : x
  2. Step 2: Convert to fraction form
    9,809.36/13,541.28 = 5,831.76/x
  3. Step 3: Cross multiply
    9,809.36x = 13,541.28 × 5,831.76
  4. Step 4: Simplify right side
    9,809.36x = 78,969,495.05
  5. Step 5: Solve for x
    x = 78,969,495.05/9,809.36
  6. Step 6: Final answer
    x = 8,050.42

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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.