Home / 9,303.29-12,831.11-6,119.85

Finding the Fourth Proportional to 9,303.29, 12,831.11 and 6,119.85

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Solution

The fourth proportional to 9,303.29, 12,831.11 and 6,119.85 is: 8,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.29 : 12,831.11 = 6,119.85 : x
  2. Step 2: Convert to fraction form
    9,303.29/12,831.11 = 6,119.85/x
  3. Step 3: Cross multiply
    9,303.29x = 12,831.11 × 6,119.85
  4. Step 4: Simplify right side
    9,303.29x = 78,524,437.93
  5. Step 5: Solve for x
    x = 78,524,437.93/9,303.29
  6. Step 6: Final answer
    x = 8,440.51

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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.