Home / 7,848.96-10,831.62-4,491.57

Finding the Fourth Proportional to 7,848.96, 10,831.62 and 4,491.57

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Solution

The fourth proportional to 7,848.96, 10,831.62 and 4,491.57 is: 6,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.96 : 10,831.62 = 4,491.57 : x
  2. Step 2: Convert to fraction form
    7,848.96/10,831.62 = 4,491.57/x
  3. Step 3: Cross multiply
    7,848.96x = 10,831.62 × 4,491.57
  4. Step 4: Simplify right side
    7,848.96x = 48,650,979.44
  5. Step 5: Solve for x
    x = 48,650,979.44/7,848.96
  6. Step 6: Final answer
    x = 6,198.40

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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.