Home / 7,848.60-10,831.15-4,311.81

Finding the Fourth Proportional to 7,848.60, 10,831.15 and 4,311.81

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Solution

The fourth proportional to 7,848.60, 10,831.15 and 4,311.81 is: 5,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.60 : 10,831.15 = 4,311.81 : x
  2. Step 2: Convert to fraction form
    7,848.60/10,831.15 = 4,311.81/x
  3. Step 3: Cross multiply
    7,848.60x = 10,831.15 × 4,311.81
  4. Step 4: Simplify right side
    7,848.60x = 46,701,860.88
  5. Step 5: Solve for x
    x = 46,701,860.88/7,848.60
  6. Step 6: Final answer
    x = 5,950.34

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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.