Home / 8,558.12-11,809.63-4,831.88

Finding the Fourth Proportional to 8,558.12, 11,809.63 and 4,831.88

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Solution

The fourth proportional to 8,558.12, 11,809.63 and 4,831.88 is: 6,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.12 : 11,809.63 = 4,831.88 : x
  2. Step 2: Convert to fraction form
    8,558.12/11,809.63 = 4,831.88/x
  3. Step 3: Cross multiply
    8,558.12x = 11,809.63 × 4,831.88
  4. Step 4: Simplify right side
    8,558.12x = 57,062,643.88
  5. Step 5: Solve for x
    x = 57,062,643.88/8,558.12
  6. Step 6: Final answer
    x = 6,667.67

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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.