Home / 7,848.86-10,831.16-4,311.72

Finding the Fourth Proportional to 7,848.86, 10,831.16 and 4,311.72

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Solution

The fourth proportional to 7,848.86, 10,831.16 and 4,311.72 is: 5,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.86 : 10,831.16 = 4,311.72 : x
  2. Step 2: Convert to fraction form
    7,848.86/10,831.16 = 4,311.72/x
  3. Step 3: Cross multiply
    7,848.86x = 10,831.16 × 4,311.72
  4. Step 4: Simplify right side
    7,848.86x = 46,700,929.20
  5. Step 5: Solve for x
    x = 46,700,929.20/7,848.86
  6. Step 6: Final answer
    x = 5,950.03

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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.