Home / 7,817.83-10,777.48-4,831.96

Finding the Fourth Proportional to 7,817.83, 10,777.48 and 4,831.96

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Solution

The fourth proportional to 7,817.83, 10,777.48 and 4,831.96 is: 6,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.83 : 10,777.48 = 4,831.96 : x
  2. Step 2: Convert to fraction form
    7,817.83/10,777.48 = 4,831.96/x
  3. Step 3: Cross multiply
    7,817.83x = 10,777.48 × 4,831.96
  4. Step 4: Simplify right side
    7,817.83x = 52,076,352.26
  5. Step 5: Solve for x
    x = 52,076,352.26/7,817.83
  6. Step 6: Final answer
    x = 6,661.23

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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.