Home / 8,527.16-12,783.21-3,329.40

Finding the Fourth Proportional to 8,527.16, 12,783.21 and 3,329.40

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Solution

The fourth proportional to 8,527.16, 12,783.21 and 3,329.40 is: 4,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.16 : 12,783.21 = 3,329.40 : x
  2. Step 2: Convert to fraction form
    8,527.16/12,783.21 = 3,329.40/x
  3. Step 3: Cross multiply
    8,527.16x = 12,783.21 × 3,329.40
  4. Step 4: Simplify right side
    8,527.16x = 42,560,419.37
  5. Step 5: Solve for x
    x = 42,560,419.37/8,527.16
  6. Step 6: Final answer
    x = 4,991.16

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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.