Home / 7,831.62-10,807.29-4,474.98

Finding the Fourth Proportional to 7,831.62, 10,807.29 and 4,474.98

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Solution

The fourth proportional to 7,831.62, 10,807.29 and 4,474.98 is: 6,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.62 : 10,807.29 = 4,474.98 : x
  2. Step 2: Convert to fraction form
    7,831.62/10,807.29 = 4,474.98/x
  3. Step 3: Cross multiply
    7,831.62x = 10,807.29 × 4,474.98
  4. Step 4: Simplify right side
    7,831.62x = 48,362,406.60
  5. Step 5: Solve for x
    x = 48,362,406.60/7,831.62
  6. Step 6: Final answer
    x = 6,175.27

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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.