Home / 7,831.53-10,809.60-4,845.66

Finding the Fourth Proportional to 7,831.53, 10,809.60 and 4,845.66

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Solution

The fourth proportional to 7,831.53, 10,809.60 and 4,845.66 is: 6,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.53 : 10,809.60 = 4,845.66 : x
  2. Step 2: Convert to fraction form
    7,831.53/10,809.60 = 4,845.66/x
  3. Step 3: Cross multiply
    7,831.53x = 10,809.60 × 4,845.66
  4. Step 4: Simplify right side
    7,831.53x = 52,379,646.34
  5. Step 5: Solve for x
    x = 52,379,646.34/7,831.53
  6. Step 6: Final answer
    x = 6,688.30

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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.