Home / 8,672.36-11,956.56-5,527.40

Finding the Fourth Proportional to 8,672.36, 11,956.56 and 5,527.40

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Solution

The fourth proportional to 8,672.36, 11,956.56 and 5,527.40 is: 7,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.36 : 11,956.56 = 5,527.40 : x
  2. Step 2: Convert to fraction form
    8,672.36/11,956.56 = 5,527.40/x
  3. Step 3: Cross multiply
    8,672.36x = 11,956.56 × 5,527.40
  4. Step 4: Simplify right side
    8,672.36x = 66,088,689.74
  5. Step 5: Solve for x
    x = 66,088,689.74/8,672.36
  6. Step 6: Final answer
    x = 7,620.61

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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.