Home / 9,218.19-13,831.87-4,220.55

Finding the Fourth Proportional to 9,218.19, 13,831.87 and 4,220.55

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Solution

The fourth proportional to 9,218.19, 13,831.87 and 4,220.55 is: 6,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.19 : 13,831.87 = 4,220.55 : x
  2. Step 2: Convert to fraction form
    9,218.19/13,831.87 = 4,220.55/x
  3. Step 3: Cross multiply
    9,218.19x = 13,831.87 × 4,220.55
  4. Step 4: Simplify right side
    9,218.19x = 58,378,088.38
  5. Step 5: Solve for x
    x = 58,378,088.38/9,218.19
  6. Step 6: Final answer
    x = 6,332.93

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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.