Home / 7,518.86-10,380.74-4,831.28

Finding the Fourth Proportional to 7,518.86, 10,380.74 and 4,831.28

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Solution

The fourth proportional to 7,518.86, 10,380.74 and 4,831.28 is: 6,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.86 : 10,380.74 = 4,831.28 : x
  2. Step 2: Convert to fraction form
    7,518.86/10,380.74 = 4,831.28/x
  3. Step 3: Cross multiply
    7,518.86x = 10,380.74 × 4,831.28
  4. Step 4: Simplify right side
    7,518.86x = 50,152,251.59
  5. Step 5: Solve for x
    x = 50,152,251.59/7,518.86
  6. Step 6: Final answer
    x = 6,670.19

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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.