Home / 8,527.40-11,767.76-4,989.92

Finding the Fourth Proportional to 8,527.40, 11,767.76 and 4,989.92

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Solution

The fourth proportional to 8,527.40, 11,767.76 and 4,989.92 is: 6,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.40 : 11,767.76 = 4,989.92 : x
  2. Step 2: Convert to fraction form
    8,527.40/11,767.76 = 4,989.92/x
  3. Step 3: Cross multiply
    8,527.40x = 11,767.76 × 4,989.92
  4. Step 4: Simplify right side
    8,527.40x = 58,720,180.98
  5. Step 5: Solve for x
    x = 58,720,180.98/8,527.40
  6. Step 6: Final answer
    x = 6,886.06

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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.