Home / 8,416.68-11,615.04-4,831.76

Finding the Fourth Proportional to 8,416.68, 11,615.04 and 4,831.76

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Solution

The fourth proportional to 8,416.68, 11,615.04 and 4,831.76 is: 6,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.68 : 11,615.04 = 4,831.76 : x
  2. Step 2: Convert to fraction form
    8,416.68/11,615.04 = 4,831.76/x
  3. Step 3: Cross multiply
    8,416.68x = 11,615.04 × 4,831.76
  4. Step 4: Simplify right side
    8,416.68x = 56,121,085.67
  5. Step 5: Solve for x
    x = 56,121,085.67/8,416.68
  6. Step 6: Final answer
    x = 6,667.84

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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.