Home / 8,349.19-12,503.91-4,831.79

Finding the Fourth Proportional to 8,349.19, 12,503.91 and 4,831.79

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Solution

The fourth proportional to 8,349.19, 12,503.91 and 4,831.79 is: 7,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.19 : 12,503.91 = 4,831.79 : x
  2. Step 2: Convert to fraction form
    8,349.19/12,503.91 = 4,831.79/x
  3. Step 3: Cross multiply
    8,349.19x = 12,503.91 × 4,831.79
  4. Step 4: Simplify right side
    8,349.19x = 60,416,204.78
  5. Step 5: Solve for x
    x = 60,416,204.78/8,349.19
  6. Step 6: Final answer
    x = 7,236.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.