Home / 7,831.90-10,801.68-4,845.64

Finding the Fourth Proportional to 7,831.90, 10,801.68 and 4,845.64

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Solution

The fourth proportional to 7,831.90, 10,801.68 and 4,845.64 is: 6,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.90 : 10,801.68 = 4,845.64 : x
  2. Step 2: Convert to fraction form
    7,831.90/10,801.68 = 4,845.64/x
  3. Step 3: Cross multiply
    7,831.90x = 10,801.68 × 4,845.64
  4. Step 4: Simplify right side
    7,831.90x = 52,341,052.68
  5. Step 5: Solve for x
    x = 52,341,052.68/7,831.90
  6. Step 6: Final answer
    x = 6,683.06

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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.